8=0.4x

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Solution for 8=0.4x equation: 


Simplifying
8 = 0.4x

Solving
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.
8 + -0.4x = 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
8 + -0.4x = 0.0

Add '-8' to each side of the equation.
8 + -8 + -0.4x = 0.0 + -8

Combine like terms: 8 + -8 = 0
0 + -0.4x = 0.0 + -8
-0.4x = 0.0 + -8

Combine like terms: 0.0 + -8 = -8
-0.4x = -8

Divide each side by '-0.4'.
x = 20

Simplifying
x = 20

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