0.8=0.4x

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Solution for 0.8=0.4x equation: 


Simplifying
0.8 = 0.4x

Solving
0.8 = 0.4x

Solving for variable 'x'.

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

Add '-0.4x' to each side of the equation.
0.8 + -0.4x = 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
0.8 + -0.4x = 0.0

Add '-0.8' to each side of the equation.
0.8 + -0.8 + -0.4x = 0.0 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + -0.4x = 0.0 + -0.8
-0.4x = 0.0 + -0.8

Combine like terms: 0.0 + -0.8 = -0.8
-0.4x = -0.8

Divide each side by '-0.4'.
x = 2

Simplifying
x = 2

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