7(w-1)=9w+7-2(-8w-1)

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Solution for 7(w-1)=9w+7-2(-8w-1) equation:


Simplifying
7(w + -1) = 9w + 7 + -2(-8w + -1)

Reorder the terms:
7(-1 + w) = 9w + 7 + -2(-8w + -1)
(-1 * 7 + w * 7) = 9w + 7 + -2(-8w + -1)
(-7 + 7w) = 9w + 7 + -2(-8w + -1)

Reorder the terms:
-7 + 7w = 9w + 7 + -2(-1 + -8w)
-7 + 7w = 9w + 7 + (-1 * -2 + -8w * -2)
-7 + 7w = 9w + 7 + (2 + 16w)

Reorder the terms:
-7 + 7w = 7 + 2 + 9w + 16w

Combine like terms: 7 + 2 = 9
-7 + 7w = 9 + 9w + 16w

Combine like terms: 9w + 16w = 25w
-7 + 7w = 9 + 25w

Solving
-7 + 7w = 9 + 25w

Solving for variable 'w'.

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

Add '-25w' to each side of the equation.
-7 + 7w + -25w = 9 + 25w + -25w

Combine like terms: 7w + -25w = -18w
-7 + -18w = 9 + 25w + -25w

Combine like terms: 25w + -25w = 0
-7 + -18w = 9 + 0
-7 + -18w = 9

Add '7' to each side of the equation.
-7 + 7 + -18w = 9 + 7

Combine like terms: -7 + 7 = 0
0 + -18w = 9 + 7
-18w = 9 + 7

Combine like terms: 9 + 7 = 16
-18w = 16

Divide each side by '-18'.
w = -0.8888888889

Simplifying
w = -0.8888888889

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