7+4(2a+15)=-31

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Solution for 7+4(2a+15)=-31 equation:


7+4(2a+15)=-31

We simplify the equation to the form, which is simple to understand 
7+4(2a+15)=-31

Reorder the terms in parentheses
7+(+8a+60)=-31

Remove unnecessary parentheses
+7+8a+60=-31

We move all terms containing a to the left and all other terms to the right. 
+8a=-31-7-60

We simplify left and right side of the equation. 
+8a=-98

We divide both sides of the equation by 8 to get a. 
a=-12.25

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