Question

Me ajude nessa 
A)   9(x-3) =4x+18

Answer 1

9 (x - 3) = 4x + 18
9x - 27 = 4x + 18
9x - 4x = 18 + 27
5x = 45
x = $\frac{45}{5}$
x = 9

Answer 2

   9(x-3) =4x+18
    9x - 27 = 4x + 18
    9x - 4x = 18 +27
          5x = 45
            x = 9