-66=-9(7a+7)-3

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Solution for -66=-9(7a+7)-3 equation:


-66=-9(7a+7)-3

We simplify the equation to the form, which is simple to understand 
-66=-9(7a+7)-3

Reorder the terms in parentheses
-66=+(-63a-63)-3

Remove unnecessary parentheses
-66=-63a-63-3

We move all terms containing a to the left and all other terms to the right. 
+63a=-63-3+66

We simplify left and right side of the equation. 
+63a=0

We divide both sides of the equation by 063 to get a. 
a=0

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