-3.5-4.2=0

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Solution for -3.5-4.2=0 equation: 


Simplifying
-3.5 + -4.2 = 0

Combine like terms: -3.5 + -4.2 = -7.7
-7.7 = 0

Solving
-7.7 = 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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