-3a+9=3-9

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Solution for -3a+9=3-9 equation:


-3a+9=3-9

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

We move all terms containing a to the left and all other terms to the right. 
-3a=+3-9-9

We simplify left and right side of the equation. 
-3a=-15

We divide both sides of the equation by -3 to get a. 
a=5

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