3(-2)+21=

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Solution for 3(-2)+21= equation: 


Simplifying
3(-2) + 21 = 0

Multiply 3 * -2
-6 + 21 = 0

Combine like terms: -6 + 21 = 15
15 = 0

Solving
15 = 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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