3 x 9 3 x 4 5 July 8, 2019 16 32 64 128 3 x 3 4 x 3 5x x 2 9 5 9 x 5 3 3 4 x 1 2 7 9 x 3 5 x 4 9 x 3 5 3x 9 3 x 4 )- 5 10 x 3 9 4 )= x 5 3 2 x 3 y 9 3 x 4 y 5 substitution method Simplify 9 x 3 4 x 3 5 3 x 3 = 9 3 x-5=x+3
