(-3)-2.2-9-(-12)=

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Solution for (-3)-2.2-9-(-12)= equation:


(-3)-2.2-9-(-12)=0

We simplify the equation to the form, which is simple to understand 
(-3)-2.2-9-(-12)=0

Remove unnecessary parentheses
-3-2.2-9-(-12)=0

Remove unnecessary parentheses
-3-2.2-9+12=0

We move all terms containing  to the left and all other terms to the right. 
0=0+3+2.2+9-12

We simplify left and right side of the equation. 
0=+2.2

0=2.2

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

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