-20=-8w+4(w-4)

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Solution for -20=-8w+4(w-4) equation:


Simplifying
-20 = -8w + 4(w + -4)

Reorder the terms:
-20 = -8w + 4(-4 + w)
-20 = -8w + (-4 * 4 + w * 4)
-20 = -8w + (-16 + 4w)

Reorder the terms:
-20 = -16 + -8w + 4w

Combine like terms: -8w + 4w = -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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