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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-2r+7r+10+10=0

We add all the numbers together, and all the variables

5r+20=0

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

5r=-20

r=-20/5

r=-4

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