Question

1. Write three expressions that are equivalent to 3x+15.

2. Write three expressions that are equivalent to 2x+4x-15.

Answer 1

1 3(x + 5)

(9x + 45 ) / 3

2x + x + 15

2. 6x - 15

2(x + 2x) - 15

2x ( 1 + 2) - 15