-4r-10=-7-9r-8

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Solution for -4r-10=-7-9r-8 equation: 



-4r-10=-7-9r-8

We move all terms to the left:

-4r-10-(-7-9r-8)=0

We add all the numbers together, and all the variables

-4r-(-9r-15)-10=0

We get rid of parentheses

-4r+9r+15-10=0

We add all the numbers together, and all the variables

5r+5=0

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

5r=-5

r=-5/5

r=-1

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