Question

The expression 3( x +4) - (2x+7) is equivelent to

Answer 1

x+5

Explanation:

3×x+3×4-2x+7

3x+12-2x+7

3x-2x-7+12

x+5

Answer 2

x + 5

Explanation:

First we need to expand 3x

We can multiply the 3 out and then remove the parenthesis but distributing the negative

3x + 12 - 2x - 7

x + 5