21-(6*3)=

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Solution for 21-(6*3)= equation: 


Simplifying
21 + -1(6 * 3) = 0

Multiply 6 * 3
21 + -1(18) = 0

Multiply -1 * 18
21 + -18 = 0

Combine like terms: 21 + -18 = 3
3 = 0

Solving
3 = 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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