12a+3a=180

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Solution for 12a+3a=180 equation:


12a+3a=180

We simplify the equation to the form, which is simple to understand 
12a+3a=180

We move all terms containing a to the left and all other terms to the right. 
+12a+3a=+180

We simplify left and right side of the equation. 
+15a=+180

We divide both sides of the equation by 15 to get a. 
a=12

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