120+120=240

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Solution for 120+120=240 equation: 


Simplifying
120 + 120 = 240

Combine like terms: 120 + 120 = 240
240 = 240

Add '-240' to each side of the equation.
240 + -240 = 240 + -240

Combine like terms: 240 + -240 = 0
0 = 240 + -240

Combine like terms: 240 + -240 = 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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