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topjm [15]
4 years ago
14

How would I solve 7r=-7/2? I know the answer is -1/2 I just don't understand how to get -1/2 as my answer.

Mathematics
1 answer:
Art [367]4 years ago
7 0
7r=-7/2

divide both sides by 7 to get r by itself

(7r)/(7) = (-7/2)/(7)

if you don't quite see it, think of multiplying both sides by 1/7 instead (its the same thing as dividing by 7)

(7r)*(1/7)=(-7/2)*(1/7)

r=-1/2
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Answer:

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Step-by-step explanation:

1. Expand 1/3(6-9x)

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2. Expand -1/5(15x-10)

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3. Subtract 2 from both sides.

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5. Add 3x to both sides.

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6. Simplify.

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Answer:

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Step-by-step explanation:

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