x+-3.9=4.1

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Solution for x+-3.9=4.1 equation: 


Simplifying
x + -3.9 = 4.1

Reorder the terms:
-3.9 + x = 4.1

Solving
-3.9 + x = 4.1

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 + x = 4.1 + 3.9

Combine like terms: -3.9 + 3.9 = 0.0
0.0 + x = 4.1 + 3.9
x = 4.1 + 3.9

Combine like terms: 4.1 + 3.9 = 8
x = 8

Simplifying
x = 8

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