-8=11r-7r

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Solution for -8=11r-7r equation:


-8=11r-7r

We simplify the equation to the form, which is simple to understand 
-8=11r-7r

We move all terms containing r to the left and all other terms to the right. 
-11r+7r=+8

We simplify left and right side of the equation. 
-4r=+8

We divide both sides of the equation by -4 to get r. 
r=-2

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