0.9(8-0.2w)=-4

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Solution for 0.9(8-0.2w)=-4 equation: 


Simplifying
0.9(8 + -0.2w) = -4
(8 * 0.9 + -0.2w * 0.9) = -4
(7.2 + -0.18w) = -4

Solving
7.2 + -0.18w = -4

Solving for variable 'w'.

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

Add '-7.2' to each side of the equation.
7.2 + -7.2 + -0.18w = -4 + -7.2

Combine like terms: 7.2 + -7.2 = 0.0
0.0 + -0.18w = -4 + -7.2
-0.18w = -4 + -7.2

Combine like terms: -4 + -7.2 = -11.2
-0.18w = -11.2

Divide each side by '-0.18'.
w = 62.22222222

Simplifying
w = 62.22222222

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