3.9-2x=-13.1

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Solution for 3.9-2x=-13.1 equation: 


Simplifying
3.9 + -2x = -13.1

Solving
3.9 + -2x = -13.1

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 + -2x = -13.1 + -3.9

Combine like terms: 3.9 + -3.9 = 0.0
0.0 + -2x = -13.1 + -3.9
-2x = -13.1 + -3.9

Combine like terms: -13.1 + -3.9 = -17
-2x = -17

Divide each side by '-2'.
x = 8.5

Simplifying
x = 8.5

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