7=9a-2a

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Solution for 7=9a-2a equation:


7=9a-2a

We simplify the equation to the form, which is simple to understand 
7=9a-2a

We move all terms containing a to the left and all other terms to the right. 
-9a+2a=-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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