3(-3)-4*3=21

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Solution for 3(-3)-4*3=21 equation: 


Simplifying
3(-3) + -4 * 3 = 21

Multiply 3 * -3
-9 + -4 * 3 = 21

Multiply -4 * 3
-9 + -12 = 21

Combine like terms: -9 + -12 = -21
-21 = 21

Solving
-21 = 21

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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