0.4+9=9+0.4

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Solution for 0.4+9=9+0.4 equation: 


Simplifying
0.4 + 9 = 9 + 0.4

Combine like terms: 0.4 + 9 = 9.4
9.4 = 9 + 0.4

Combine like terms: 9 + 0.4 = 9.4
9.4 = 9.4

Add '-9.4' to each side of the equation.
9.4 + -9.4 = 9.4 + -9.4

Combine like terms: 9.4 + -9.4 = 0.0
0.0 = 9.4 + -9.4

Combine like terms: 9.4 + -9.4 = 0.0
0.0 = 0.0

Solving
0.0 = 0.0

Couldn't find a variable to solve for.

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

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