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5 votes
0.4 (2-q) = 0.2 (q+7)
Answers- A. -3 B. -1 C. 3 D. All real numbers

1 Answer

4 votes
Answer: B. -1

Step-by-step explanation:
0.4(2-q) = 0.2(q+7)
Distribute by multiplying.
0.8-0.4q = 1.4+0.2q
Add 0.4 on both sides and subtract 1.4 on both sides.
0.6q = -0.6
Divide to solve for q.
q = -1
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