-5(2+8r)-7=-137

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Solution for -5(2+8r)-7=-137 equation:


-5(2+8r)-7=-137

We simplify the equation to the form, which is simple to understand 
-5(2+8r)-7=-137

Reorder the terms in parentheses
+(-10-40r)-7=-137

Remove unnecessary parentheses
-10-40r-7=-137

We move all terms containing r to the left and all other terms to the right. 
-40r=-137+10+7

We simplify left and right side of the equation. 
-40r=-120

We divide both sides of the equation by -40 to get r. 
r=3

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