a+7+a=13

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Solution for a+7+a=13 equation:


a+7+a=13

We simplify the equation to the form, which is simple to understand 
a+7+a=13

We move all terms containing a to the left and all other terms to the right. 
+1a+1a=+13-7

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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