3(2r+5)=2r+45-r

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Solution for 3(2r+5)=2r+45-r equation: 



3(2r+5)=2r+45-r

We move all terms to the left:

3(2r+5)-(2r+45-r)=0

We add all the numbers together, and all the variables

3(2r+5)-(r+45)=0

We multiply parentheses

6r-(r+45)+15=0

We get rid of parentheses

6r-r-45+15=0

We add all the numbers together, and all the variables

5r-30=0

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

5r=30

r=30/5

r=6

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