4(3r+5)+7r=115

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Solution for 4(3r+5)+7r=115 equation: 



4(3r+5)+7r=115

We move all terms to the left:

4(3r+5)+7r-(115)=0

We add all the numbers together, and all the variables

7r+4(3r+5)-115=0

We multiply parentheses

7r+12r+20-115=0

We add all the numbers together, and all the variables

19r-95=0

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

19r=95

r=95/19

r=5

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