3(5+5r)+7=22-3r

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Solution for 3(5+5r)+7=22-3r equation: 



3(5+5r)+7=22-3r

We move all terms to the left:

3(5+5r)+7-(22-3r)=0

We add all the numbers together, and all the variables

3(5r+5)-(-3r+22)+7=0

We multiply parentheses

15r-(-3r+22)+15+7=0

We get rid of parentheses

15r+3r-22+15+7=0

We add all the numbers together, and all the variables

18r=0

r=0/18

r=0

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