Question

45-3*(2x+1)-2*(x+3)+5*(x-7)=0

Answer 1

45-3*(2x+1)-2*(x+3)+5*(x-7)=0
45 - 6x - 3 -2x - 6 + 5x - 35 =0
-3x + 1 = 0
-3x = -1
x = -1:(-3)
x = 1/3