Question

0,3(5x-7)=3(0.2x+3.2)

Answer 1

$0,3(5x-7)=3(0,2x+3,2)$

 

$1,5x- 2,1 = 0,6x + 9,6$

 

$1,5x-0,6 = 2,1+9,6$

 

$0,9x = 11,7.$

 

 $x=13$

 

_________________________

 

Ответ:$x=13.$