.5-.7=

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Solution for .5-.7= equation: 


Simplifying
0.5 + -0.7 = 0

Combine like terms: 0.5 + -0.7 = -0.2
-0.2 = 0

Solving
-0.2 = 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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