Question

Simplify the expression.

7x − 5(x − 3) − x

Answer 1

Collect like terms

(7x - x) - 5(x - 3)

Simplify

6x - 5(x - 3)

Expand

6x - 5 + 15

Collect like terms

(6x - 5x) + 15

Simplify

x + 15

Answer 2

7x - 5x + 3 - x (Distribute)

x + 3 (Combine like terms)

x = -3 (Subtract three from both sides)