21+45*3+12=

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Solution for 21+45*3+12= equation: 


Simplifying
21 + 45 * 3 + 12 = 0

Multiply 45 * 3
21 + 135 + 12 = 0

Combine like terms: 21 + 135 = 156
156 + 12 = 0

Combine like terms: 156 + 12 = 168
168 = 0

Solving
168 = 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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