10r-3=9r+7+2r

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Solution for 10r-3=9r+7+2r equation: 



10r-3=9r+7+2r

We move all terms to the left:

10r-3-(9r+7+2r)=0

We add all the numbers together, and all the variables

10r-(11r+7)-3=0

We get rid of parentheses

10r-11r-7-3=0

We add all the numbers together, and all the variables

-1r-10=0

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

-r=10

r=10/-1

r=-10

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