12+a+8+3a-3=49

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Solution for 12+a+8+3a-3=49 equation:


12+a+8+3a-3=49

We simplify the equation to the form, which is simple to understand 
12+a+8+3a-3=49

We move all terms containing a to the left and all other terms to the right. 
+1a+3a=+49-12-8+3

We simplify left and right side of the equation. 
+4a=+32

We divide both sides of the equation by 4 to get a. 
a=8

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