3(2*-1)=21

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Solution for 3(2*-1)=21 equation: 


Simplifying
3(2 * -1) = 21

Multiply 2 * -1
3(-2) = 21

Multiply 3 * -2
-6 = 21

Solving
-6 = 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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