18=-2(w+9)

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Solution for 18=-2(w+9) equation:


Simplifying
18 = -2(w + 9)

Reorder the terms:
18 = -2(9 + w)
18 = (9 * -2 + w * -2)
18 = (-18 + -2w)

Solving
18 = -18 + -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 = -18 + -2w + 2w

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

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

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

Combine like terms: -18 + -18 = -36
2w = -36

Divide each side by '2'.
w = -18

Simplifying
w = -18

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