4(-9)-9=

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


Simplifying
4(-9) + -9 = 0

Multiply 4 * -9
-36 + -9 = 0

Combine like terms: -36 + -9 = -45
-45 = 0

Solving
-45 = 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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