3(4+3r)=30

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Solution for 3(4+3r)=30 equation: 



3(4+3r)=30

We move all terms to the left:

3(4+3r)-(30)=0

We add all the numbers together, and all the variables

3(3r+4)-30=0

We multiply parentheses

9r+12-30=0

We add all the numbers together, and all the variables

9r-18=0

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

9r=18

r=18/9

r=2

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