21+40=61

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Solution for 21+40=61 equation: 


Simplifying
21 + 40 = 61

Combine like terms: 21 + 40 = 61
61 = 61

Add '-61' to each side of the equation.
61 + -61 = 61 + -61

Combine like terms: 61 + -61 = 0
0 = 61 + -61

Combine like terms: 61 + -61 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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