[21-(4+2)-5]+2=

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Solution for [21-(4+2)-5]+2= equation: 


Simplifying
[21 + -1(4 + 2) + -5] + 2 = 0

Combine like terms: 4 + 2 = 6
[21 + -1(6) + -5] + 2 = 0

Multiply -1 * 6
[21 + -6 + -5] + 2 = 0

Combine like terms: 21 + -6 = 15
[15 + -5] + 2 = 0

Combine like terms: 15 + -5 = 10
[10] + 2 = 0
10 + 2 = 0

Combine like terms: 10 + 2 = 12
12 = 0

Solving
12 = 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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