-5(1-R)+5r=8r+7

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Solution for -5(1-R)+5r=8r+7 equation:


-5(1-r)+5r=8r+7

We simplify the equation to the form, which is simple to understand 
-5(1-r)+5r=8r+7

Reorder the terms in parentheses
+(-5+5r)+5r=8r+7

Remove unnecessary parentheses
-5+5r+5r=+8r+7

We move all terms containing r to the left and all other terms to the right. 
+5r+5r-8r=+7+5

We simplify left and right side of the equation. 
+2r=+12

We divide both sides of the equation by 2 to get r. 
r=6

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