-2(r-7)=-10

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Solution for -2(r-7)=-10 equation: 



-2(r-7)=-10

We move all terms to the left:

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

We add all the numbers together, and all the variables

-2(r-7)+10=0

We multiply parentheses

-2r+14+10=0

We add all the numbers together, and all the variables

-2r+24=0

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

-2r=-24

r=-24/-2

r=+12

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