3.8-0.3x=1.3x+4.2

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Solution for 3.8-0.3x=1.3x+4.2 equation: 


Simplifying
3.8 + -0.3x = 1.3x + 4.2

Reorder the terms:
3.8 + -0.3x = 4.2 + 1.3x

Solving
3.8 + -0.3x = 4.2 + 1.3x

Solving for variable 'x'.

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

Add '-1.3x' to each side of the equation.
3.8 + -0.3x + -1.3x = 4.2 + 1.3x + -1.3x

Combine like terms: -0.3x + -1.3x = -1.6x
3.8 + -1.6x = 4.2 + 1.3x + -1.3x

Combine like terms: 1.3x + -1.3x = 0.0
3.8 + -1.6x = 4.2 + 0.0
3.8 + -1.6x = 4.2

Add '-3.8' to each side of the equation.
3.8 + -3.8 + -1.6x = 4.2 + -3.8

Combine like terms: 3.8 + -3.8 = 0.0
0.0 + -1.6x = 4.2 + -3.8
-1.6x = 4.2 + -3.8

Combine like terms: 4.2 + -3.8 = 0.4
-1.6x = 0.4

Divide each side by '-1.6'.
x = -0.25

Simplifying
x = -0.25

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