2+4+(-21)=

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Solution for 2+4+(-21)= equation:


Simplifying
2 + 4 + (-21) = 0
2 + 4 + -21 = 0

Combine like terms: 2 + 4 = 6
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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