54=x-.4x

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Solution for 54=x-.4x equation:


Simplifying
54 = x + -0.4x

Combine like terms: x + -0.4x = 0.6x
54 = 0.6x

Solving
54 = 0.6x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-0.6x' to each side of the equation.
54 + -0.6x = 0.6x + -0.6x

Combine like terms: 0.6x + -0.6x = 0.0
54 + -0.6x = 0.0

Add '-54' to each side of the equation.
54 + -54 + -0.6x = 0.0 + -54

Combine like terms: 54 + -54 = 0
0 + -0.6x = 0.0 + -54
-0.6x = 0.0 + -54

Combine like terms: 0.0 + -54 = -54
-0.6x = -54

Divide each side by '-0.6'.
x = 90

Simplifying
x = 90

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