-8+3(1+7r)=163

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Solution for -8+3(1+7r)=163 equation:


-8+3(1+7r)=163

We simplify the equation to the form, which is simple to understand 
-8+3(1+7r)=163

Reorder the terms in parentheses
-8+(+3+21r)=163

Remove unnecessary parentheses
-8+3+21r=+163

We move all terms containing r to the left and all other terms to the right. 
+21r=+163+8-3

We simplify left and right side of the equation. 
+21r=+168

We divide both sides of the equation by 21 to get r. 
r=8

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