2.2-0.4=3

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Solution for 2.2-0.4=3 equation: 


Simplifying
2.2 + -0.4 = 3

Combine like terms: 2.2 + -0.4 = 1.8
1.8 = 3

Solving
1.8 = 3

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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