Question

решить уравнение 4x+2*(4-x)=10

Answer 1

4Х + 8 - 2Х = 10
2Х = 10 - 8 
2Х = 2
Х = 1

Answer 2

4х+ 2*( 4-х) =10

Answer 3

4х+ 2*( 4-х) =10
4х+8-2х =10
4х-2х=-8 + 10
2х=2
х=2:2
х=1