21+9*4=

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Solution for 21+9*4= equation: 


Simplifying
21 + 9 * 4 = 0

Multiply 9 * 4
21 + 36 = 0

Combine like terms: 21 + 36 = 57
57 = 0

Solving
57 = 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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