-4(1+7r)=-172

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Solution for -4(1+7r)=-172 equation:


-4(1+7r)=-172

We simplify the equation to the form, which is simple to understand 
-4(1+7r)=-172

Reorder the terms in parentheses
+(-4-28r)=-172

Remove unnecessary parentheses
-4-28r=-172

We move all terms containing r to the left and all other terms to the right. 
-28r=-172+4

We simplify left and right side of the equation. 
-28r=-168

We divide both sides of the equation by -28 to get r. 
r=6

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