-18=30+15-3

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Solution for -18=30+15-3 equation: 


Simplifying
-18 = 30 + 15 + -3

Combine like terms: 30 + 15 = 45
-18 = 45 + -3

Combine like terms: 45 + -3 = 42
-18 = 42

Solving
-18 = 42

Couldn't find a variable to solve for.

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

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