-4=-10-2r

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Solution for -4=-10-2r equation: 



-4=-10-2r

We move all terms to the left:

-4-(-10-2r)=0

We add all the numbers together, and all the variables

-(-2r-10)-4=0

We get rid of parentheses

2r+10-4=0

We add all the numbers together, and all the variables

2r+6=0

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

2r=-6

r=-6/2

r=-3

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