1=0.4-0.9-9

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Solution for 1=0.4-0.9-9 equation: 


Simplifying
1 = 0.4 + -0.9 + -9

Combine like terms: 0.4 + -0.9 = -0.5
1 = -0.5 + -9

Combine like terms: -0.5 + -9 = -9.5
1 = -9.5

Solving
1 = -9.5

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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