-7-5a-2a=0

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Solution for -7-5a-2a=0 equation:


-7-5a-2a=0

We simplify the equation to the form, which is simple to understand 
-7-5a-2a=0

We move all terms containing a to the left and all other terms to the right. 
-5a-2a=0+7

We simplify left and right side of the equation. 
-7a=+7

We divide both sides of the equation by -7 to get a. 
a=-1

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