7(-4-2r)=-140

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Solution for 7(-4-2r)=-140 equation:


7(-4-2r)=-140

We simplify the equation to the form, which is simple to understand 
7(-4-2r)=-140

Reorder the terms in parentheses
+(-28-14r)=-140

Remove unnecessary parentheses
-28-14r=-140

We move all terms containing r to the left and all other terms to the right. 
-14r=-140+28

We simplify left and right side of the equation. 
-14r=-112

We divide both sides of the equation by -14 to get r. 
r=8

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