6(-7-a)-10(a-7)=-84

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Solution for 6(-7-a)-10(a-7)=-84 equation:


6(-7-a)-10(a-7)=-84

We simplify the equation to the form, which is simple to understand 
6(-7-a)-10(a-7)=-84

Reorder the terms in parentheses
+(-42-6a)-10*(a-7)=-84

Remove unnecessary parentheses
-42-6a-10+*(+a-7+)=-84

Reorder the terms in parentheses
-42-6a+(-10a+70)=-84

Remove unnecessary parentheses
-42-6a-10a+70=-84

We move all terms containing a to the left and all other terms to the right. 
-6a-10a=-84+42-70

We simplify left and right side of the equation. 
-16a=-112

We divide both sides of the equation by -16 to get a. 
a=7

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