9*(x-5)+4*(6-x)=3+3*(x+20)-2x
9x – 45 + 24 – 4x = 3 + 3x + 60 – 2x
9x – 4x – 3x + 2x = 60 + 3 – 24 + 45
4x = 84
x = 21
9*(x-5)+4*(6-x)=3+3*(x+20)-2x
9x – 45 + 24 – 4x = 3 + 3x + 60 – 2x
9x – 4x – 3x + 2x = 60 + 3 – 24 + 45
4x = 84
x = 21