Question

como resolver essa contar:
-18+2.x+6=7-x-8x

Answer 1

-18 + 2x + 6 = 7x - 8x
2x - 7x + 8x -18 + 6 = 0
3x -12 = 0
3x = 12
x = 12\3
x = 4

Answer 2

-18+2x+6=7-x-8x
-18+2x+6=7-9x
      2x+9x=7+18-6
          11x=25-6
           11x=19
               x=19/11
                x=1,7272727273