8r+7=3r-3

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Solution for 8r+7=3r-3 equation: 



8r+7=3r-3

We move all terms to the left:

8r+7-(3r-3)=0

We get rid of parentheses

8r-3r+3+7=0

We add all the numbers together, and all the variables

5r+10=0

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

5r=-10

r=-10/5

r=-2

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