7a-9=15(a-3)

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Solution for 7a-9=15(a-3) equation:


7a-9=15(a-3)

We simplify the equation to the form, which is simple to understand 
7a-9=15(a-3)

Reorder the terms in parentheses
7a-9=+(+15a-45)

Remove unnecessary parentheses
+7a-9=+15a-45

We move all terms containing a to the left and all other terms to the right. 
+7a-15a=-45+9

We simplify left and right side of the equation. 
-8a=-36

We divide both sides of the equation by -8 to get a. 
a=4.5

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