8+7r-7=8r+25-5r

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Solution for 8+7r-7=8r+25-5r equation: 



8+7r-7=8r+25-5r

We move all terms to the left:

8+7r-7-(8r+25-5r)=0

We add all the numbers together, and all the variables

7r-(3r+25)+8-7=0

We add all the numbers together, and all the variables

7r-(3r+25)+1=0

We get rid of parentheses

7r-3r-25+1=0

We add all the numbers together, and all the variables

4r-24=0

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

4r=24

r=24/4

r=6

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