4r+15=(-3r)+64

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Solution for 4r+15=(-3r)+64 equation: 



4r+15=(-3r)+64

We move all terms to the left:

4r+15-((-3r)+64)=0



We calculate terms in parentheses: -((-3r)+64), so:

(-3r)+64

We get rid of parentheses

-3r+64

Back to the equation:

-(-3r+64)



We get rid of parentheses

4r+3r-64+15=0

We add all the numbers together, and all the variables

7r-49=0

We move all terms containing r to the left, all other terms to the right

7r=49

r=49/7

r=7

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