3[+1]=12

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Solution for 3[+1]=12 equation:


3[+1]=12

We simplify the equation to the form, which is simple to understand 
3(+1)=12

Reorder the terms in parentheses
+(+3)=12

Remove unnecessary parentheses
+3=+12

We move all terms containing  to the left and all other terms to the right. 
0=+12-3

We simplify left and right side of the equation. 
0=+9

0=9

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

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