8r+7=-5+2

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Solution for 8r+7=-5+2 equation: 



8r+7=-5+2

We move all terms to the left:

8r+7-(-5+2)=0

We add all the numbers together, and all the variables

8r+7-(-3)=0

We add all the numbers together, and all the variables

8r+10=0

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

8r=-10

r=-10/8

r=-1+1/4

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