8r-15=10r+3

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Solution for 8r-15=10r+3 equation: 



8r-15=10r+3

We move all terms to the left:

8r-15-(10r+3)=0

We get rid of parentheses

8r-10r-3-15=0

We add all the numbers together, and all the variables

-2r-18=0

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

-2r=18

r=18/-2

r=-9

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