Question

3.(x - 1) - 20 = - 4 ( 3 - x ) - 2 x

Answer 1

3(x - 1) - 20= - 4(3 - x) - 2x

3x - 3 - 20= - 12 + 4x - 2x

3x - 4x + 2x= - 12 + 3 + 20

1x= 11

x= 11/1

x= 11

Answer 2

Resposta:  11

Explicação passo-a-passo:

3(x-1)-20=-4(3-x)-2x

3x-3-20=-12+4x-2x

3x-4x+2x=-12+3+20

x=11