-2(r-3)+7=8

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Solution for -2(r-3)+7=8 equation:


-2(r-3)+7=8

We simplify the equation to the form, which is simple to understand 
-2(r-3)+7=8

Reorder the terms in parentheses
+(-2r+6)+7=8

Remove unnecessary parentheses
-2r+6+7=+8

We move all terms containing r to the left and all other terms to the right. 
-2r=+8-6-7

We simplify left and right side of the equation. 
-2r=-5

We divide both sides of the equation by -2 to get r. 
r=2.5

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