20=-6w+2(w+8)

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Solution for 20=-6w+2(w+8) equation: 


Simplifying
20 = -6w + 2(w + 8)

Reorder the terms:
20 = -6w + 2(8 + w)
20 = -6w + (8 * 2 + w * 2)
20 = -6w + (16 + 2w)

Reorder the terms:
20 = 16 + -6w + 2w

Combine like terms: -6w + 2w = -4w
20 = 16 + -4w

Solving
20 = 16 + -4w

Solving for variable 'w'.

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

Add '4w' to each side of the equation.
20 + 4w = 16 + -4w + 4w

Combine like terms: -4w + 4w = 0
20 + 4w = 16 + 0
20 + 4w = 16

Add '-20' to each side of the equation.
20 + -20 + 4w = 16 + -20

Combine like terms: 20 + -20 = 0
0 + 4w = 16 + -20
4w = 16 + -20

Combine like terms: 16 + -20 = -4
4w = -4

Divide each side by '4'.
w = -1

Simplifying
w = -1

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