-5a+4+6a=12-21

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Solution for -5a+4+6a=12-21 equation:


-5a+4+6a=12-21

We simplify the equation to the form, which is simple to understand 
-5a+4+6a=12-21

We move all terms containing a to the left and all other terms to the right. 
-5a+6a=+12-21-4

We simplify left and right side of the equation. 
+1a=-13

We divide both sides of the equation by 1 to get a. 
a=-13

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