Grade 7 Math Sample Question 6

Simplify the following expression:

4 (x + 3) + (7 – 4)

A) 15x

B) 7x + 13

C) 4x + 15 (Correct Answer)

D) 12x + 3

Explanation:
Using the Distributive Property, 4 (x + 3) = 4(x) + 4(3) = 4x + 12.

(7 – 4) simplifies to 3. The entire expression becomes 4x + 12 + 3 = 4x + 15.

Related Common Core State Standard: 7.EE.2

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Ray Shawn