4.2-1.9=

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Solution for 4.2-1.9= equation: 


Simplifying
4.2 + -1.9 = 0

Combine like terms: 4.2 + -1.9 = 2.3
2.3 = 0

Solving
2.3 = 0

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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