21=4+(-3)

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Solution for 21=4+(-3) equation: 


Simplifying
21 = 4 + (-3)
21 = 4 + -3

Combine like terms: 4 + -3 = 1
21 = 1

Solving
21 = 1

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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