3(-7+r)=-36

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Solution for 3(-7+r)=-36 equation: 



3(-7+r)=-36

We move all terms to the left:

3(-7+r)-(-36)=0

We add all the numbers together, and all the variables

3(r-7)-(-36)=0

We add all the numbers together, and all the variables

3(r-7)+36=0

We multiply parentheses

3r-21+36=0

We add all the numbers together, and all the variables

3r+15=0

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

3r=-15

r=-15/3

r=-5

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