3a-1a=3+4

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Solution for 3a-1a=3+4 equation:


3a-1a=3+4

We simplify the equation to the form, which is simple to understand 
3a-1a=3+4

We move all terms containing a to the left and all other terms to the right. 
+3a-1a=+3+4

We simplify left and right side of the equation. 
+2a=+7

We divide both sides of the equation by 2 to get a. 
a=3.5

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