1+7(5+7a)=-13

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Solution for 1+7(5+7a)=-13 equation:


1+7(5+7a)=-13

We simplify the equation to the form, which is simple to understand 
1+7(5+7a)=-13

Reorder the terms in parentheses
1+(+35+49a)=-13

Remove unnecessary parentheses
+1+35+49a=-13

We move all terms containing a to the left and all other terms to the right. 
+49a=-13-1-35

We simplify left and right side of the equation. 
+49a=-49

We divide both sides of the equation by 49 to get a. 
a=-1

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