18=-2(w+8)

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Solution for 18=-2(w+8) equation:


Simplifying
18 = -2(w + 8)

Reorder the terms:
18 = -2(8 + w)
18 = (8 * -2 + w * -2)
18 = (-16 + -2w)

Solving
18 = -16 + -2w

Solving for variable 'w'.

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

Add '2w' to each side of the equation.
18 + 2w = -16 + -2w + 2w

Combine like terms: -2w + 2w = 0
18 + 2w = -16 + 0
18 + 2w = -16

Add '-18' to each side of the equation.
18 + -18 + 2w = -16 + -18

Combine like terms: 18 + -18 = 0
0 + 2w = -16 + -18
2w = -16 + -18

Combine like terms: -16 + -18 = -34
2w = -34

Divide each side by '2'.
w = -17

Simplifying
w = -17

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