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24 − x = 7
X = 24 − 7
X = 17
59 − x = 16
X = 59 − 16
X = 43
60 − x = 38
X = 60 − 38
X = 22
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a) 54 + x - 65 + 3 = 12
54 + x - 65 = 9
54 + x = 74
x = 74 - 54
x = 20
b) x - 45 + 65 = 59
x - 45 = -6
x = -6 + 45
x = 39
\(a,54+x-65+3=12\)
\(\Leftrightarrow54+x-\left(65-3\right)=12\)
\(\Leftrightarrow54+x-62=12\)
\(\Leftrightarrow54-x=12+62\)
\(\Leftrightarrow54-x=74\)
\(\Leftrightarrow x=54-74\)
\(\Leftrightarrow x=-20\)
\(b,x-45+65=59\)
\(\Leftrightarrow x-\left(45-65\right)=59\)
\(\Leftrightarrow x-\left(-20\right)\)
\(\Leftrightarrow x+20=59\)
\(\Leftrightarrow x=59-20\)
\(\Leftrightarrow x=39\)
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a) x + 968 = 2165 + 125
x + 968 = 2290
x = 2290 - 968
x = 1322
b) x - 632 = 257 + 102
x - 632 = 359
x = 359 + 632
x = 991
Nhấn đúng cho mk nha!!!!!!!!!!
X+968=2165+125 X-632=257+102
X+968=2290 X-632= 359
X=2290-968 X=359+632
X=1322 X=991
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a) x + 1234 = 6789
x = 6789 - 1234
x = 5555
b) x - 1478 = 1236
x = 1236 + 1478
x = 2714
c) x . 6 + 123 : 3 = 59
x . 6 + 41 = 59
x . 6 = 59 - 41
x . 6 = 18
x = 18 : 6
x = 3
ung hộ mjk nha các bn
a)x+1234=6789
x =6789-1234
x =5555
b)x-1478 =1236
x =1236+1478
x =2714
c)x.6+123:3=59
x.6+123 =59x3
x.6+123 =177
x.6 =177-123
x.6 =54
x =54:6
x =9
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x - 59 = 102
x = 102 + 59
x = 161
Tk mk nha
Mk sẽ tk lại
Mk cảm ơn các bạn nhiều
Thank you very much
( ^ _ ^ )
x - 59 = 102
x = 102 + 59
x = 161