4x-20.4=x

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Solution for 4x-20.4=x equation:


Simplifying
4x + -20.4 = x

Reorder the terms:
-20.4 + 4x = x

Solving
-20.4 + 4x = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-20.4 + 4x + -1x = x + -1x

Combine like terms: 4x + -1x = 3x
-20.4 + 3x = x + -1x

Combine like terms: x + -1x = 0
-20.4 + 3x = 0

Add '20.4' to each side of the equation.
-20.4 + 20.4 + 3x = 0 + 20.4

Combine like terms: -20.4 + 20.4 = 0.0
0.0 + 3x = 0 + 20.4
3x = 0 + 20.4

Combine like terms: 0 + 20.4 = 20.4
3x = 20.4

Divide each side by '3'.
x = 6.8

Simplifying
x = 6.8

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