0.2=-0.4x+4.2

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Solution for 0.2=-0.4x+4.2 equation: 


Simplifying
0.2 = -0.4x + 4.2

Reorder the terms:
0.2 = 4.2 + -0.4x

Solving
0.2 = 4.2 + -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.
0.2 + 0.4x = 4.2 + -0.4x + 0.4x

Combine like terms: -0.4x + 0.4x = 0.0
0.2 + 0.4x = 4.2 + 0.0
0.2 + 0.4x = 4.2

Add '-0.2' to each side of the equation.
0.2 + -0.2 + 0.4x = 4.2 + -0.2

Combine like terms: 0.2 + -0.2 = 0.0
0.0 + 0.4x = 4.2 + -0.2
0.4x = 4.2 + -0.2

Combine like terms: 4.2 + -0.2 = 4
0.4x = 4

Divide each side by '0.4'.
x = 10

Simplifying
x = 10

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