0.4x+13.8=x-7.86

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Solution for 0.4x+13.8=x-7.86 equation: 


Simplifying
0.4x + 13.8 = x + -7.86

Reorder the terms:
13.8 + 0.4x = x + -7.86

Reorder the terms:
13.8 + 0.4x = -7.86 + x

Solving
13.8 + 0.4x = -7.86 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
13.8 + 0.4x + -1x = -7.86 + x + -1x

Combine like terms: 0.4x + -1x = -0.6x
13.8 + -0.6x = -7.86 + x + -1x

Combine like terms: x + -1x = 0
13.8 + -0.6x = -7.86 + 0
13.8 + -0.6x = -7.86

Add '-13.8' to each side of the equation.
13.8 + -13.8 + -0.6x = -7.86 + -13.8

Combine like terms: 13.8 + -13.8 = 0.0
0.0 + -0.6x = -7.86 + -13.8
-0.6x = -7.86 + -13.8

Combine like terms: -7.86 + -13.8 = -21.66
-0.6x = -21.66

Divide each side by '-0.6'.
x = 36.1

Simplifying
x = 36.1

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