(1a-4)+(-2a+7)=

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Solution for (1a-4)+(-2a+7)= equation:


(1a-4)+(-2a+7)=0

We simplify the equation to the form, which is simple to understand 
(1a-4)+(-2a+7)=0

Remove unnecessary parentheses
1a-4+(-2a+7)=0

Remove unnecessary parentheses
+1a-4-2a+7=0

We move all terms containing a to the left and all other terms to the right. 
+1a-2a=0+4-7

We simplify left and right side of the equation. 
-1a=-3

We divide both sides of the equation by -1 to get a. 
a=3

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