20 + 3x = -16
What is x = -12 ?
2x+5x+4=?25
What is x=3?
9+3y-2y=?14 ?
What is y=5?
2x/5+3-4x/5=1/5
What is x=1?
54+?8x+?7x?=21
What is x=2.2?
6y+?9-4y=-??3
What is y=6?