.9w+.5w+.1w=-3

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Solution for .9w+.5w+.1w=-3 equation: 


Simplifying
0.9w + 0.5w + 0.1w = -3

Combine like terms: 0.9w + 0.5w = 1.4w
1.4w + 0.1w = -3

Combine like terms: 1.4w + 0.1w = 1.5w
1.5w = -3

Solving
1.5w = -3

Solving for variable 'w'.

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

Divide each side by '1.5'.
w = -2

Simplifying
w = -2

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