9-4.2=

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Solution for 9-4.2= equation: 


Simplifying
9 + -4.2 = 0

Combine like terms: 9 + -4.2 = 4.8
4.8 = 0

Solving
4.8 = 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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