5x-12.4=x

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Solution for 5x-12.4=x equation:


Simplifying
5x + -12.4 = x

Reorder the terms:
-12.4 + 5x = x

Solving
-12.4 + 5x = 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.
-12.4 + 5x + -1x = x + -1x

Combine like terms: 5x + -1x = 4x
-12.4 + 4x = x + -1x

Combine like terms: x + -1x = 0
-12.4 + 4x = 0

Add '12.4' to each side of the equation.
-12.4 + 12.4 + 4x = 0 + 12.4

Combine like terms: -12.4 + 12.4 = 0.0
0.0 + 4x = 0 + 12.4
4x = 0 + 12.4

Combine like terms: 0 + 12.4 = 12.4
4x = 12.4

Divide each side by '4'.
x = 3.1

Simplifying
x = 3.1

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