7(r+97)=-21

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Solution for 7(r+97)=-21 equation: 



7(r+97)=-21

We move all terms to the left:

7(r+97)-(-21)=0

We add all the numbers together, and all the variables

7(r+97)+21=0

We multiply parentheses

7r+679+21=0

We add all the numbers together, and all the variables

7r+700=0

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

7r=-700

r=-700/7

r=-100

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