7(r+9)=70

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Solution for 7(r+9)=70 equation: 



7(r+9)=70

We move all terms to the left:

7(r+9)-(70)=0

We multiply parentheses

7r+63-70=0

We add all the numbers together, and all the variables

7r-7=0

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

7r=7

r=7/7

r=1

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