2(-7)-3(9)-9(4)=

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Solution for 2(-7)-3(9)-9(4)= equation: 


Simplifying
2(-7) + -3(9) + -9(4) = 0

Multiply 2 * -7
-14 + -3(9) + -9(4) = 0

Multiply -3 * 9
-14 + -27 + -9(4) = 0

Multiply -9 * 4
-14 + -27 + -36 = 0

Combine like terms: -14 + -27 = -41
-41 + -36 = 0

Combine like terms: -41 + -36 = -77
-77 = 0

Solving
-77 = 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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