a-.2a=.8a

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Solution for a-.2a=.8a equation: 


Simplifying
a + -0.2a = 0.8a

Combine like terms: a + -0.2a = 0.8a
0.8a = 0.8a

Add '-0.8a' to each side of the equation.
0.8a + -0.8a = 0.8a + -0.8a

Combine like terms: 0.8a + -0.8a = 0.0
0.0 = 0.8a + -0.8a

Combine like terms: 0.8a + -0.8a = 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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