r-12-8+7=27

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Solution for r-12-8+7=27 equation:


r-12-8+7=27

We simplify the equation to the form, which is simple to understand 
r-12-8+7=27

We move all terms containing r to the left and all other terms to the right. 
+1r=+27+12+8-7

We simplify left and right side of the equation. 
+1r=+40

We divide both sides of the equation by 1 to get r. 
r=40

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