-5a-7a=12

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Solution for -5a-7a=12 equation:


-5a-7a=12

We simplify the equation to the form, which is simple to understand 
-5a-7a=12

We move all terms containing a to the left and all other terms to the right. 
-5a-7a=+12

We simplify left and right side of the equation. 
-12a=+12

We divide both sides of the equation by -12 to get a. 
a=-1

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