-2(w+9)=99

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Solution for -2(w+9)=99 equation:


Simplifying
-2(w + 9) = 99

Reorder the terms:
-2(9 + w) = 99
(9 * -2 + w * -2) = 99
(-18 + -2w) = 99

Solving
-18 + -2w = 99

Solving for variable 'w'.

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

Add '18' to each side of the equation.
-18 + 18 + -2w = 99 + 18

Combine like terms: -18 + 18 = 0
0 + -2w = 99 + 18
-2w = 99 + 18

Combine like terms: 99 + 18 = 117
-2w = 117

Divide each side by '-2'.
w = -58.5

Simplifying
w = -58.5

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