Question

-7(x + 3) + 6(2x + 9) = 6(x + 3)

Answer 1

-7(x+3) +6(2x+9) =6(x+3)
-7x-21+12x+54=6x+12
-7x+12x-6x=12+21-54
12x-13x=33-54
-x=-21
X=-21/-1
X=21