-7r-r+3=-10r-1

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Solution for -7r-r+3=-10r-1 equation: 



-7r-r+3=-10r-1

We move all terms to the left:

-7r-r+3-(-10r-1)=0

We add all the numbers together, and all the variables

-8r-(-10r-1)+3=0

We get rid of parentheses

-8r+10r+1+3=0

We add all the numbers together, and all the variables

2r+4=0

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

2r=-4

r=-4/2

r=-2

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