-(a+3)=2(2a+1)-7

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Solution for -(a+3)=2(2a+1)-7 equation:


-(a+3)=2(2a+1)-7

We simplify the equation to the form, which is simple to understand 
-(a+3)=2(2a+1)-7

Remove unnecessary parentheses
-1a-3=2*(2a+1)-7

Reorder the terms in parentheses
-1a-3=+(+4a+2)-7

Remove unnecessary parentheses
-1a-3=+4a+2-7

We move all terms containing a to the left and all other terms to the right. 
-1a-4a=+2-7+3

We simplify left and right side of the equation. 
-5a=-2

We divide both sides of the equation by -5 to get a. 
a=0.4

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