3x-3.9=11.1

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Solution for 3x-3.9=11.1 equation: 


Simplifying
3x + -3.9 = 11.1

Reorder the terms:
-3.9 + 3x = 11.1

Solving
-3.9 + 3x = 11.1

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 + 3x = 11.1 + 3.9

Combine like terms: -3.9 + 3.9 = 0.0
0.0 + 3x = 11.1 + 3.9
3x = 11.1 + 3.9

Combine like terms: 11.1 + 3.9 = 15
3x = 15

Divide each side by '3'.
x = 5

Simplifying
x = 5

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