Question

9x + 2=7x 3x-11=x-11 sendo u=q 4 multiplicado por{x-2} sendo u=q

Answer 1

Resposta:

9x + 2 = 7x

9x - 7x = - 2

2x = - 2

x = -2/2

x = -1

3x - 11 = x - 11

3x - x = - 11 + 11

2x = 0

x = 0/2

x = 0