3a+a-2+5a+7=50

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Solution for 3a+a-2+5a+7=50 equation:


3a+a-2+5a+7=50

We simplify the equation to the form, which is simple to understand 
3a+a-2+5a+7=50

We move all terms containing a to the left and all other terms to the right. 
+3a+1a+5a=+50+2-7

We simplify left and right side of the equation. 
+9a=+45

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

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