3(f + 6) = -6f - 9
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1 Answer

Divide both sides by 3:
f+6=-2f-3. Add 2f to each side:
3f+6=-3. Subtract 6 from each side:
3f=-9. Divide through by 3: f=-3.
Plug f=-3 into original eqn: 3*3=18-9=9. Correct!
by Top Rated User (707k points)

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