0.3x-1.2=3.9x+1.8

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Solution for 0.3x-1.2=3.9x+1.8 equation: 


Simplifying
0.3x + -1.2 = 3.9x + 1.8

Reorder the terms:
-1.2 + 0.3x = 3.9x + 1.8

Reorder the terms:
-1.2 + 0.3x = 1.8 + 3.9x

Solving
-1.2 + 0.3x = 1.8 + 3.9x

Solving for variable 'x'.

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

Add '-3.9x' to each side of the equation.
-1.2 + 0.3x + -3.9x = 1.8 + 3.9x + -3.9x

Combine like terms: 0.3x + -3.9x = -3.6x
-1.2 + -3.6x = 1.8 + 3.9x + -3.9x

Combine like terms: 3.9x + -3.9x = 0.0
-1.2 + -3.6x = 1.8 + 0.0
-1.2 + -3.6x = 1.8

Add '1.2' to each side of the equation.
-1.2 + 1.2 + -3.6x = 1.8 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + -3.6x = 1.8 + 1.2
-3.6x = 1.8 + 1.2

Combine like terms: 1.8 + 1.2 = 3
-3.6x = 3

Divide each side by '-3.6'.
x = -0.8333333333

Simplifying
x = -0.8333333333

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