3.9*w-17.9=-2.3

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Solution for 3.9*w-17.9=-2.3 equation: 


Simplifying
3.9w + -17.9 = -2.3

Reorder the terms:
-17.9 + 3.9w = -2.3

Solving
-17.9 + 3.9w = -2.3

Solving for variable 'w'.

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

Add '17.9' to each side of the equation.
-17.9 + 17.9 + 3.9w = -2.3 + 17.9

Combine like terms: -17.9 + 17.9 = 0.0
0.0 + 3.9w = -2.3 + 17.9
3.9w = -2.3 + 17.9

Combine like terms: -2.3 + 17.9 = 15.6
3.9w = 15.6

Divide each side by '3.9'.
w = 4

Simplifying
w = 4

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