Question

4(0,7х-4)-3(-0,2х+6)=0

Answer 1

4(0,7х-4)-3(-0,2х+6)=0
2.8x-16+0.6x-18=0
2.8x+0.6x=16+18
3.4x=34
x=34/3.4
x=10
ответ:10