15=-3(2c+3d) solve for c

asked Feb 16, 2021 214k views

1 vote

15=-3(2c+3d)
solve for c

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4 votes

Answer:c=(-15-9d)/6

Explanation:

15=-3(2c+3d)

Open brackets

15=-6c-9d

Add 9d to both sides

15+9d=-6c-9d+9d

15+9d=-6c

Divide both sides by -6

(15+9d)/-6=-6c/-6

-(15+9d)/6=c

c=-(15+9d)/6

c=(-15-9d)/6

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