21-(10-5)=

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Solution for 21-(10-5)= equation: 


Simplifying
21 + -1(10 + -5) = 0

Combine like terms: 10 + -5 = 5
21 + -1(5) = 0

Multiply -1 * 5
21 + -5 = 0

Combine like terms: 21 + -5 = 16
16 = 0

Solving
16 = 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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