Question

Simplify the expression: 7x + 15 - 12x + 12

Answer 1

- 5x + 27

Bit by bit clarification:

7x + 15 - 12x + 12

(7x - 12x) + (15 + 12)

= - 5x + 27

Expectation it supportive and valuable :)

Answer 2

-5x + 27

Explanation:

7x + 15 - 12x + 12

(7x - 12x) + (15 + 12)

= -5x + 27

Hope it helpful and useful :)