Question

qual o valor de x na equaçao 4.(x-2)=12-x

Answer 1

4( x - 2) = 12 - x
4x - 8 = 12 - x
4x + x = 12 + 8
5x = 20
x = 20/5
x = 4

Answer 2

4.(x - 2) = 12 - x
4x - 8 = 12 - x
4x + x = 12 + 8
5x = 20
x = 20
      5
x = 4