4.2-1.2=2.1

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Solution for 4.2-1.2=2.1 equation: 


Simplifying
4.2 + -1.2 = 2.1

Combine like terms: 4.2 + -1.2 = 3
3 = 2.1

Solving
3 = 2.1

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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