.9*2=1.8

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Solution for .9*2=1.8 equation: 


Simplifying
0.9 * 2 = 1.8

Multiply 0.9 * 2
1.8 = 1.8

Add '-1.8' to each side of the equation.
1.8 + -1.8 = 1.8 + -1.8

Combine like terms: 1.8 + -1.8 = 0.0
0.0 = 1.8 + -1.8

Combine like terms: 1.8 + -1.8 = 0.0
0.0 = 0.0

Solving
0.0 = 0.0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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