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11-07-2020
Mathematics

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-4 = r/20 - 5 solve for the variable

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11-07-2020

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Answer:

r = 20.

Step-by-step explanation:

Given:

-4 = r/20 - 5

Begin by adding 5 to both sides:

-4 + 5 = r/20 - 5 + 5

1 = r/20

Multiply both sides by 20:

1 · 20 = r/20 · 20

r = 20.

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