8-2r=-8+2r

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Solution for 8-2r=-8+2r equation: 



8-2r=-8+2r

We move all terms to the left:

8-2r-(-8+2r)=0

We add all the numbers together, and all the variables

-2r-(2r-8)+8=0

We get rid of parentheses

-2r-2r+8+8=0

We add all the numbers together, and all the variables

-4r+16=0

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

-4r=-16

r=-16/-4

r=+4

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