a-a+3+2a+2a=7

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Solution for a-a+3+2a+2a=7 equation:


a-a+3+2a+2a=7

We simplify the equation to the form, which is simple to understand 
a-a+3+2a+2a=7

We move all terms containing a to the left and all other terms to the right. 
+1a-1a+2a+2a=+7-3

We simplify left and right side of the equation. 
+4a=+4

We divide both sides of the equation by 4 to get a. 
a=1

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