9*(x-5)+4*(6-x)=3+3*(x+20)-2x

Question

9*(x-5)+4*(6-x)=3+3*(x+20)-2x

Answer 1

9x - 45 + 24 - 4x = 3 + 3x + 60 - 2x
9x - 4x - 3x + 2x = 45 - 24 + 3 + 60
4x = 84
x = 21