-8=-15+r

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Solution for -8=-15+r equation:


-8=-15+r

We simplify the equation to the form, which is simple to understand 
-8=-15+r

We move all terms containing r to the left and all other terms to the right. 
-1r=-15+8

We simplify left and right side of the equation. 
-1r=-7

We divide both sides of the equation by -01 to get r. 
r=7

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