5r+15=4r+8

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Solution for 5r+15=4r+8 equation: 



5r+15=4r+8

We move all terms to the left:

5r+15-(4r+8)=0

We get rid of parentheses

5r-4r-8+15=0

We add all the numbers together, and all the variables

r+7=0

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

r=-7

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