-(-9r+7)=8-(8-10r)

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Solution for -(-9r+7)=8-(8-10r) equation:


-(-9r+7)=8-(8-10r)

We simplify the equation to the form, which is simple to understand 
-(-9r+7)=8-(8-10r)

Remove unnecessary parentheses
+9r-7=8-(8-10r)

Remove unnecessary parentheses
+9r-7=8-8+10r

We move all terms containing r to the left and all other terms to the right. 
+9r-10r=+8-8+7

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

We divide both sides of the equation by -1 to get r. 
r=-7

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