432 + 7( x - 3 ) = 466
<=> 7 ( x - 3 ) = 466 - 432
<=> 7 ( x - 3 ) = 34
<=> x - 3 = 34/7
<=> x = 34/7 + 3
<=> x = 55/7
432 + 7. ( x - 3 ) = 466
7. ( x - 3 ) = 466 - 432
7. ( x - 3 ) = 34
x - 3 = \(\frac{34}{7}\)
\(x=\frac{34}{7}+3\)
\(x=\frac{55}{7}\)
Vậy...
432 + 7 . ( x - 3 ) = 466
7 . ( x - 3 ) = 466 - 432
7 . ( x - 3 ) = 34
x - 3 = 34 : 7
x - 3 = 34/7
x = 34/7 + 3
x = 55/7
Vậy x = 55/7
\(432+7\left(x-3\right)=466\)
\(\Rightarrow7\left(x-3\right)=466-432=34\)
\(\Rightarrow\left(x-3\right)=\frac{34}{7}\)
\(\Rightarrow x=\frac{34}{7}+3\)
\(\Rightarrow x=\frac{34}{7}+\frac{21}{7}=\frac{55}{7}\)
Vậy \(x=\frac{55}{7}\)
\(432+7.\left(x-3\right)=466\)
\(\Rightarrow7\left(x-3\right)=466-432=34\)
\(\Rightarrow x-3=34:7=\frac{34}{7}\)
\(\Rightarrow x=\frac{34}{7}+3=\frac{34}{7}+\frac{21}{7}=\frac{55}{7}\)
Vậy \(x=\frac{55}{7}\)
\(432+7.\left(x-3\right)=466\)
\(7\left(x-3\right)=466-432\)
\(7\left(x-3\right)=34\)
\(x-3=34:7\)
\(x-3=\frac{34}{7}\)
\(x=\frac{34}{7}+3\)
\(x=\frac{34}{7}+\frac{21}{7}\)
\(x=\frac{55}{7}\)