A+9=7

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Solution for A+9=7 equation:


a+9=7

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

We move all terms containing a to the left and all other terms to the right. 
+1a=+7-9

We simplify left and right side of the equation. 
+1a=-2

We divide both sides of the equation by 1 to get a. 
a=-2

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