Question

12x+3(x-1)=-2(x+1)+12

Answer 1

12x+3(x-1)=-2(x+1)+12

12x+3x-3=-2x-2+12

15x-3=-2x+10

17x = 13

x= 13/17

Answer 2

12x+3(x-1) = -2(x+1)+12

12x+3x-3 = -2x-2+12

15x-3 = -2x+10

15x+2x = 10+3

17x = 13

  x = 13/17 → Resposta:)