3*4-9+7*4=

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Solution for 3*4-9+7*4= equation: 


Simplifying
3 * 4 + -9 + 7 * 4 = 0

Multiply 3 * 4
12 + -9 + 7 * 4 = 0

Multiply 7 * 4
12 + -9 + 28 = 0

Combine like terms: 12 + -9 = 3
3 + 28 = 0

Combine like terms: 3 + 28 = 31
31 = 0

Solving
31 = 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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