3.1x-3.9=-0.8

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Solution for 3.1x-3.9=-0.8 equation: 


Simplifying
3.1x + -3.9 = -0.8

Reorder the terms:
-3.9 + 3.1x = -0.8

Solving
-3.9 + 3.1x = -0.8

Solving for variable 'x'.

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

Add '3.9' to each side of the equation.
-3.9 + 3.9 + 3.1x = -0.8 + 3.9

Combine like terms: -3.9 + 3.9 = 0.0
0.0 + 3.1x = -0.8 + 3.9
3.1x = -0.8 + 3.9

Combine like terms: -0.8 + 3.9 = 3.1
3.1x = 3.1

Divide each side by '3.1'.
x = 1

Simplifying
x = 1

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