5(7+r)=12r

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Solution for 5(7+r)=12r equation: 



5(7+r)=12r

We move all terms to the left:

5(7+r)-(12r)=0

We add all the numbers together, and all the variables

5(r+7)-12r=0

We add all the numbers together, and all the variables

-12r+5(r+7)=0

We multiply parentheses

-12r+5r+35=0

We add all the numbers together, and all the variables

-7r+35=0

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

-7r=-35

r=-35/-7

r=+5

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