Question

Simplify the following expression.

7(7y + 3z) - 21z
A.
14y
B.
49y
C.
14y - 42z
D.
49y - 24z

Answer 1

B

Explanation:

Distribute 7 through the parentheses, 49y +21z - 21z

Eliminate the opposites, 21z-21z = 0, left over 49y

Final answer, 49y