a-3+a=7

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Solution for a-3+a=7 equation:


a-3+a=7

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

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

We simplify left and right side of the equation. 
+2a=+10

We divide both sides of the equation by 2 to get a. 
a=5

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