4+7(3-5)-(12/4)=a

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Solution for 4+7(3-5)-(12/4)=a equation:


4+7(3-5)-(12/4)=a

We simplify the equation to the form, which is simple to understand 
4+7(3-5)-(12/4)=a

Simplifying:
4+7*(3-5)-(+3)=a

Simplifying terms in parentheses
4+7*(-2)-(+3)=a

Reorder the terms in parentheses
4+(-14)-(+3)=a

Remove unnecessary parentheses
+4-14-(+3+)=+a

Remove unnecessary parentheses
4-14-3=a

We move all terms containing a to the left and all other terms to the right. 
-1a=-4+14+3

We simplify left and right side of the equation. 
-1a=+13

We divide both sides of the equation by -01 to get a. 
a=-13

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