-3*4+-1*9=

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Solution for -3*4+-1*9= equation: 


Simplifying
-3 * 4 + -1 * 9 = 0

Multiply -3 * 4
-12 + -1 * 9 = 0

Multiply -1 * 9
-12 + -9 = 0

Combine like terms: -12 + -9 = -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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