Question

Simplify the following expression.

(3 + 8 x ) + 7 x

Answer 1

3 + 15x

simplify by collecting like terms

3 + 8x + 7x = 3 + (8x + 7x) = 3 + 15x

Answer 2

(3 + 8 x ) + 7 x

At first, the numbers will simplify That numbers same sign.

3 + ( 8x + 7x ) = 3 + 15x