(52 x X +175):5+30=420 + 65 x 4 Tìm x
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
( X + 175 ) : 5 + 30 =420 + 65 x 4
( X + 175 ) : 5 + 30 = 680
( X + 175 ) : 5 = 680 - 30 = 650
( X + 175 ) = 650 x 5 = 3250
X = 3250 - 175 = 3075
( X + 175 ) : 5 + 30 = 420 + 65 x 4
( X + 175 ) : 5 + 30 = 420 + 260
( X + 175 ) : 5 + 30 = 680
( X + 175 ) : 5=680-30
( X + 175 ) : 5=650
X + 175=650x5
X + 175=3250
X=3250-175
X=3075
![](https://rs.olm.vn/images/avt/0.png?1311)
a. 420+65×4=(x+175):5+30
(x+175):5+30=420+260
(x+175):5+30=680
(x+175):5=650
x+175=3250
x=3075
b.(32×15):2=(x+70):14-40
(x+70):14-40=480:2
(x+70):14-40=240
(x+70):14=280
x+70=3920
x=3850
~~~~~~~~~~~ai đi ngang qua nhớ để lại k ~~~~~~~~~~~~~
~~~~~~~~~~~~ Chúc bạn sớm kiếm được nhiều điểm hỏi đáp ~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~ Và chúc các bạn trả lời câu hỏi này kiếm được nhiều k hơn ~~~~~~~~~~~~
mik khỏi chép lại đề nha
a) 680 = (x + 175) : 5 + 30
(x + 175) : 5 = 680 - 30
(x + 175) : 5 = 650
x + 175 = 650 x 5
x + 175 = 3250
x = 3250 - 175
x = 3075
b) 240 = (x + 70) : 14 - 40
(x + 70) : 14 = 240 + 40
(x + 70) : 14 = 280
x + 70 = 280 x 14
x + 70 = 3920
x = 3920 - 70
x = 3850
tk mik nha b
x + 175 = 130
x =
![](https://rs.olm.vn/images/avt/0.png?1311)
420 + 65 x 4 = ( x + 175 ) : 5 + 30
( x + 175 ) : 5 + 30 = 420 + 65 x 4
( x + 175 ) : 5 + 30 = 420 + 260
( x + 175 ) : 5 + 30 = 680
( x + 175 ) : 5 = 680 - 30
( x + 175 ) : 5 = 650
x + 175 = 650 x 5
x + 175 = 3250
x = 3250 - 175
x = 3075
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
420 + 65 . 4 = ( x + 175 ) : 5 + 30
420 + 260 = ( x + 175 ) : 5 + 30
680 = ( x + 175 ) : 5 + 30
680 - 30 = ( x + 175 ) : 5
650 = ( x + 175 ) : 5
650 . 5 = x + 175
3250 = x + 175
x = 3250 - 175
x = 3075
420+260=(x+175):5+30
680=(x+175):5+30
680-30=(x+175):5
650x5=x+175
3250=x+175
X=3250-175
X=3075
![](https://rs.olm.vn/images/avt/0.png?1311)
a)\(2.x-138=8.9\)
\(2.x-138=72\)
\(2.x=72+138\)
\(2.x=210\)
\(x=210\div2\)
\(x=105\)
b)\(\left\{\left(6x-72\right)\div2-84\right\}.28=5628\)
\(\left(6x-72\right)\div2-84=201\)
\(\left(6x-72\right)\div2=285\)
\(6x-72=570\)
\(6x=642\)
\(x=107\)
c)\(420+65.4=\left(x+175\right)\div5+30\)
\(420+260=\left(x+175\right)\div5+30\)
\(680=\left(x+175\right)\div5+30\)
\(650=\left(x+175\right)\div5\)
\(3250=x+175\)
\(3075=x\)
![](https://rs.olm.vn/images/avt/0.png?1311)
420 + 65 . 4 = ( x + 175 ) : 5 + 30
=> ( x + 175 ) : 5 + 30 = 420 + 45 . 4
=> ( x + 175 ) : 5 + 30 = 600
=> ( x + 175 ) : 5 = 600 - 30
=> ( x + 175 ) : 5 = 570
=> x + 175 = 570 . 5
=> x + 175 = 2850
=> x = 2850 - 175
=> x = 2675
nha bn
các câu khác tương tự nhé
nhớ ủng hộ mik nha mn
\(\text{Tìm x hở e????}\)
~~~~~~~~~
\(\text{420 + 65 . 4 = ( x + 175 ) : 5 + 30}\)
\(420+260=\left(x+175\right):5+30\)
\(680=\text{ ( x + 175 ) : 5 + 30}\)
\(\text{ ( x + 175 ) : 5 + 30=680}\)
\(\text{ ( x + 175 ) : 5 =680-30}\)
\((x+175):5=650\)
\(x+175=650:5\)
\(x+175=130\)
\(x=130-175\)
\(x=-45\)
\(\text{(32.15) : 2 = (x + 70) : 14 - 40}\)
\(480:2=\text{ (x + 70) : 14 - 40}\)
\(240\text{ = (x + 70) : 14 - 40}\)
\(\text{ (x + 70) : 14 =280}\)
\(x+70=3920\)
\(x=3920-70\)
\(x=3850\)
\(\text{x - 4867 = ( 175 . 2050 . 76) + 25 + 23}\)
\(\text{x - 4867 = ( 175 . 2050 . 76) + 48}\)
\(x-4867=27265000+48\)
\(x-4867=27265048\)
\(x=27265048+4867\)
\(x=27260015\)
\(\text{Hok giỏi nhé!~!!}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(1) 420+65.4=(x+175):5+30\)
\(\implies 420+260=(x+175):5+30\)
\(\implies 680=(x+175):5+30\)
\(\implies 650=(x+175):5\)
\(\implies 650.5-175=x\)
\(\implies 3075=x\)
\(2)x-4867=(175.2050.70):25+23\)
\(\implies x-4867=1004500+23\)
\(\implies x-4867=1004523\)
\(\implies x=1009390\)
\(3) 134-[(96-7x):4-2]=126\)
\(\implies (96-7x):4-2=8\)
\(\implies(96-7x):4=10\)
\(\implies 96-7x=40\)
\(\implies 7x=56\)
\(\implies x=8\)
\(4) 4-\{100-[(100-5x):8-5]:10\}:25=0\)
\(\implies 4-\{100-[(100-5x):8-5]:10\}=0\)
\(\implies 100-[(100-5x):8-5]:10=4\)
\(\implies 100-[(100-5x):8-5]=40\)
\(\implies (100-5x):8-5=60\)
\(\implies (100-5x):8=65\)
\(\implies 100-5x=520\)
\(\implies 5x=-420\)
\(\implies x=-84\)
~ Hok tốt a~
(5^2.x+175):5+30=420+260
<=>(5^2.x+175):5=650
<=>5^2.x+175=3250
<=>25.x=3075
<=>x=123
( 52 . x + 175 ) : 5 + 30 = 420 + 65 . 4
= ( 25 . x + 175 ) : 5 + 30 = 420 + 260
( 25 . x + 175 ) : 5 + 30 = 680
( 25 . x + 175 ) : 5 = 680 - 30
( 25 . x + 175 ) : 5 = 650
25 . x + 175 = 650 . 5
25 . x + 175 = 3250
25 . x = 3250 - 175
25 . x = 3075
x = 3075 : 25
x = 123