20=-8w+3(w+5)

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Solution for 20=-8w+3(w+5) equation:


Simplifying
20 = -8w + 3(w + 5)

Reorder the terms:
20 = -8w + 3(5 + w)
20 = -8w + (5 * 3 + w * 3)
20 = -8w + (15 + 3w)

Reorder the terms:
20 = 15 + -8w + 3w

Combine like terms: -8w + 3w = -5w
20 = 15 + -5w

Solving
20 = 15 + -5w

Solving for variable 'w'.

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

Add '5w' to each side of the equation.
20 + 5w = 15 + -5w + 5w

Combine like terms: -5w + 5w = 0
20 + 5w = 15 + 0
20 + 5w = 15

Add '-20' to each side of the equation.
20 + -20 + 5w = 15 + -20

Combine like terms: 20 + -20 = 0
0 + 5w = 15 + -20
5w = 15 + -20

Combine like terms: 15 + -20 = -5
5w = -5

Divide each side by '5'.
w = -1

Simplifying
w = -1

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