-7+r/2=-8

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



-7+r/2=-8

We move all terms to the left:

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

We add all the numbers together, and all the variables

r/2+1=0

We multiply all the terms by the denominator


r+1*2=0

We add all the numbers together, and all the variables

r+2=0

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

r=-2

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