5+7(r+4)=89

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Solution for 5+7(r+4)=89 equation: 



5+7(r+4)=89

We move all terms to the left:

5+7(r+4)-(89)=0

We add all the numbers together, and all the variables

7(r+4)-84=0

We multiply parentheses

7r+28-84=0

We add all the numbers together, and all the variables

7r-56=0

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

7r=56

r=56/7

r=8

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