4(-9)-(-15)=

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Solution for 4(-9)-(-15)= equation: 


Simplifying
4(-9) + -1(-15) = 0

Multiply 4 * -9
-36 + -1(-15) = 0

Multiply -1 * -15
-36 + 15 = 0

Combine like terms: -36 + 15 = -21
-21 = 0

Solving
-21 = 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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