20=4(w+4)-8w

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


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

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

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