7r+8=-r+2r-16

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Solution for 7r+8=-r+2r-16 equation: 



7r+8=-r+2r-16

We move all terms to the left:

7r+8-(-r+2r-16)=0

We add all the numbers together, and all the variables

7r-(r-16)+8=0

We get rid of parentheses

7r-r+16+8=0

We add all the numbers together, and all the variables

6r+24=0

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

6r=-24

r=-24/6

r=-4

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