7+8r-5-8=-4+7r

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Solution for 7+8r-5-8=-4+7r equation: 



7+8r-5-8=-4+7r

We move all terms to the left:

7+8r-5-8-(-4+7r)=0

We add all the numbers together, and all the variables

8r-(7r-4)+7-5-8=0

We add all the numbers together, and all the variables

8r-(7r-4)-6=0

We get rid of parentheses

8r-7r+4-6=0

We add all the numbers together, and all the variables

r-2=0

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

r=2

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