9=-2(w+45)

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Solution for 9=-2(w+45) equation: 


Simplifying
9 = -2(w + 45)

Reorder the terms:
9 = -2(45 + w)
9 = (45 * -2 + w * -2)
9 = (-90 + -2w)

Solving
9 = -90 + -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.
9 + 2w = -90 + -2w + 2w

Combine like terms: -2w + 2w = 0
9 + 2w = -90 + 0
9 + 2w = -90

Add '-9' to each side of the equation.
9 + -9 + 2w = -90 + -9

Combine like terms: 9 + -9 = 0
0 + 2w = -90 + -9
2w = -90 + -9

Combine like terms: -90 + -9 = -99
2w = -99

Divide each side by '2'.
w = -49.5

Simplifying
w = -49.5

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