4.2+0.4=-0.4

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Solution for 4.2+0.4=-0.4 equation: 


Simplifying
4.2 + 0.4 = -0.4

Combine like terms: 4.2 + 0.4 = 4.6
4.6 = -0.4

Solving
4.6 = -0.4

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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