7a+8-9a=2

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Solution for 7a+8-9a=2 equation:


7a+8-9a=2

We simplify the equation to the form, which is simple to understand 
7a+8-9a=2

We move all terms containing a to the left and all other terms to the right. 
+7a-9a=+2-8

We simplify left and right side of the equation. 
-2a=-6

We divide both sides of the equation by -2 to get a. 
a=3

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