2x+3.1=18.9

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Solution for 2x+3.1=18.9 equation: 


Simplifying
2x + 3.1 = 18.9

Reorder the terms:
3.1 + 2x = 18.9

Solving
3.1 + 2x = 18.9

Solving for variable 'x'.

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

Add '-3.1' to each side of the equation.
3.1 + -3.1 + 2x = 18.9 + -3.1

Combine like terms: 3.1 + -3.1 = 0.0
0.0 + 2x = 18.9 + -3.1
2x = 18.9 + -3.1

Combine like terms: 18.9 + -3.1 = 15.8
2x = 15.8

Divide each side by '2'.
x = 7.9

Simplifying
x = 7.9

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