5x+0.4=20.4

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Solution for 5x+0.4=20.4 equation: 


Simplifying
5x + 0.4 = 20.4

Reorder the terms:
0.4 + 5x = 20.4

Solving
0.4 + 5x = 20.4

Solving for variable 'x'.

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

Add '-0.4' to each side of the equation.
0.4 + -0.4 + 5x = 20.4 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + 5x = 20.4 + -0.4
5x = 20.4 + -0.4

Combine like terms: 20.4 + -0.4 = 20
5x = 20

Divide each side by '5'.
x = 4

Simplifying
x = 4

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