x+3x-9/2+3/2+1=0 x=?
x+3x-9/2+3/2+1=0 simplify
4x - 6/2 + 1 = 0
4x - 3 + 1 = 0
4x - 2 = 0 add 2 to both sides
4x = 2 divide both sides by 4
x = 1/2