2x 2 −0 6x=0 July 8, 2019 16 32 64 128 2x 6x 2 0 )+ 6 0 0 6x 2x 2 0 3 2x 0 6x 2 0 0 6x 7 − 2x 2 0 2x 3y 2 0 6x 9y 5 0