-2.1+0.3+-1.7+-0.4=

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Solution for -2.1+0.3+-1.7+-0.4= equation: 


Simplifying
-2.1 + 0.3 + -1.7 + -0.4 = 0

Combine like terms: -2.1 + 0.3 = -1.8
-1.8 + -1.7 + -0.4 = 0

Combine like terms: -1.8 + -1.7 = -3.5
-3.5 + -0.4 = 0

Combine like terms: -3.5 + -0.4 = -3.9
-3.9 = 0

Solving
-3.9 = 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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