0.4+3=7

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Solution for 0.4+3=7 equation: 


Simplifying
0.4 + 3 = 7

Combine like terms: 0.4 + 3 = 3.4
3.4 = 7

Solving
3.4 = 7

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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