-7r^2+12r+8=(10+7r-r^2)+(-6r^2-18+5r)

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Solution for -7r^2+12r+8=(10+7r-r^2)+(-6r^2-18+5r) equation: 



-7r^2+12r+8=(10+7r-r^2)+(-6r^2-18+5r)

We move all terms to the left:

-7r^2+12r+8-((10+7r-r^2)+(-6r^2-18+5r))=0



We calculate terms in parentheses: -((10+7r-r^2)+(-6r^2-18+5r)), so:

(10+7r-r^2)+(-6r^2-18+5r)

We get rid of parentheses

-r^2-6r^2+7r+5r+10-18

We add all the numbers together, and all the variables

-7r^2+12r-8

Back to the equation:

-(-7r^2+12r-8)



We get rid of parentheses

-7r^2+7r^2-12r+12r+8+8=0

We add all the numbers together, and all the variables

16!=0

There is no solution for this equation

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