-27+(-42)+(-18)=

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Solution for -27+(-42)+(-18)= equation:


-27+(-42)+(-18)=0

We simplify the equation to the form, which is simple to understand 
-27+(-42)+(-18)=0

Remove unnecessary parentheses
-27-42+(-18+)=0

Remove unnecessary parentheses
-27-42-18=0

We move all terms containing  to the left and all other terms to the right. 
0=0+27+42+18

We simplify left and right side of the equation. 
0=+87

0=87

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

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