3r+2(3r-1)=70

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Solution for 3r+2(3r-1)=70 equation: 



3r+2(3r-1)=70

We move all terms to the left:

3r+2(3r-1)-(70)=0

We multiply parentheses

3r+6r-2-70=0

We add all the numbers together, and all the variables

9r-72=0

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

9r=72

r=72/9

r=8

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