-5*4=20+-15

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Solution for -5*4=20+-15 equation: 


Simplifying
-5 * 4 = 20 + -15

Multiply -5 * 4
-20 = 20 + -15

Combine like terms: 20 + -15 = 5
-20 = 5

Solving
-20 = 5

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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