Question

3(x+2)-8(x-4)=-2
Ответ: 8 но как решать?!

Answer 1

3(x+2) - 8(x-4) = - 2
3x + 6 - 8x + 34 = 0
- 5x + 40 = 0 
- 5x = - 40
x = 8

Answer 2

3X + 6 - 8X + 32 = -2 ; X * ( 3 - 8 ) = - 2 - 38 ; X = - 40 : ( - 5 ) ; X = 8