7a-2a=45

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Solution for 7a-2a=45 equation:


7a-2a=45

We simplify the equation to the form, which is simple to understand 
7a-2a=45

We move all terms containing a to the left and all other terms to the right. 
+7a-2a=+45

We simplify left and right side of the equation. 
+5a=+45

We divide both sides of the equation by 5 to get a. 
a=9

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