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118,24 - ( X : 5 + X x 3 ) = 27.12 x 2
=> X : 5 + X x 3 = 118,24 - 54,24
=> X x 1/5 + X x 3 = 64
=> X x ( 1 / 5 + 3 ) = 64
=> X x 16/5 = 64
=> X = 20
vậy X = 20
118,24 - ( X : 5 + X x 3 ) = 27,12 x 2
118,24 - ( x : 5 + X x 3 ) = 54,24
X : 5 + X x 3 = 118,24 - 54,24
X : 5 + X x 3 = 64
X x 1/5 + X x 3 = 64
X x ( 1/5 + 3 ) = 64
X x 3,2 = 64
X = 64 : 3,2
X = 20
~Hok tốt~
K nhoa ~~
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(118,24-\left(x:5+x.3\right)=27,12.2\)
\(\Leftrightarrow118,24-\left(x:5+x.3\right)=54,24\)
\(\Leftrightarrow x:5+x.3=118,24-54,24\)
\(\Leftrightarrow x.\frac{1}{5}+x.3=64\)
\(\Leftrightarrow x.\left(\frac{1}{5}+3\right)=64\)
\(\Leftrightarrow x.\frac{16}{5}=64\)
\(\Leftrightarrow x=64:\frac{16}{5}\)
\(\Leftrightarrow x=20\)
![](https://rs.olm.vn/images/avt/0.png?1311)
118,24 - ( \(x\)x \(\frac{1}{5}\)+ \(x\)x 3 ) = 54,24
\(x\)x ( \(\frac{1}{5}\)+ 3 ) = 118,24 - 54,24
\(x\)x \(\frac{16}{5}\) = 64
\(x\) = 64 : \(\frac{16}{5}\)
\(x\) = 20
![](https://rs.olm.vn/images/avt/0.png?1311)
\(118,24-\left(x:5+x:3\right)=27,17\times2\)
\(\Leftrightarrow x:5+x:3=118,24-\left(27,17\times2\right)\)
\(\Leftrightarrow x:5+x:3=118,24-54,34\)
\(\Leftrightarrow x:\left(5+3\right)=63,9\)
\(\Leftrightarrow x:8=63,9\)
\(\Leftrightarrow x=\frac{63,9}{8}\)
cậu bé tiến pro lm sa rồi đó là chia chứ có phải nhân đâu
ko tin thì cứ thử đi
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{7}{4}-x.\frac{3}{4}=\frac{5}{19}\)
\(\Rightarrow1+\frac{3}{4}-x.\frac{3}{4}=\frac{5}{9}\)
\(\Rightarrow\frac{3}{4}.\left(1-x\right)=\frac{5}{9}-1=-\frac{4}{9}\)
\(\Rightarrow1-x=-\frac{4}{9}:\frac{3}{4}=-\frac{16}{27}\)
\(\Rightarrow x=1-\left(-\frac{16}{27}\right)=1+\frac{16}{27}=1\frac{16}{27}\)
118,24 - (x:5+x.3)= 54,24
x:5 + x.3 = 118,24 - 54,24 = 64
1/5 x + 15/5 x = 64
16/5 x = 64
x = 64 : 16/5 = 20
118,24 - ( x : 5 - x x 3 ) = 27,12 x 2
118,24 - ( x : 5 - x x 3 ) = 54,24
x : 5 - x x 3 = 118,24 - 54,24
x : 5 - x x 3 = 64
1/5x + 15/5x = 64
16/5x = 64
x = 64 : 16/5 = 20 = > x = 20