420=420

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Solution for 420=420 equation: 


Simplifying
420 = 420

Add '-420' to each side of the equation.
420 + -420 = 420 + -420

Combine like terms: 420 + -420 = 0
0 = 420 + -420

Combine like terms: 420 + -420 = 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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