15*-5-4=

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Solution for 15*-5-4= equation: 


Simplifying
15 * -5 + -4 = 0

Multiply 15 * -5
-75 + -4 = 0

Combine like terms: -75 + -4 = -79
-79 = 0

Solving
-79 = 0

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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