Question

Determine whether 3x + 12 + x is equivalent to 4(3x + x).

Answer 1

No

Explanation:

Simplify both terms and compare.

3x + 12 + x = 3x + x + 12 = 4x + 12

4(3x + x) = 4(4x) = 16x

4x + 12 ≠ 16x for all x