2*(-9)=

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Solution for 2*(-9)= equation:


2*(-9)=0

We simplify the equation to the form, which is simple to understand 
2*(-9)=0

Reorder the terms in parentheses
+(-18)=0

Remove unnecessary parentheses
-18=0

We move all terms containing  to the left and all other terms to the right. 
0=0+18

We simplify left and right side of the equation. 
0=+18

0=18

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

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