2x-0.4=18

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Solution for 2x-0.4=18 equation: 


Simplifying
2x + -0.4 = 18

Reorder the terms:
-0.4 + 2x = 18

Solving
-0.4 + 2x = 18

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 + 2x = 18 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.0 + 2x = 18 + 0.4
2x = 18 + 0.4

Combine like terms: 18 + 0.4 = 18.4
2x = 18.4

Divide each side by '2'.
x = 9.2

Simplifying
x = 9.2

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