2(w-1)-9=10(w+7)-1

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Solution for 2(w-1)-9=10(w+7)-1 equation:


Simplifying
2(w + -1) + -9 = 10(w + 7) + -1

Reorder the terms:
2(-1 + w) + -9 = 10(w + 7) + -1
(-1 * 2 + w * 2) + -9 = 10(w + 7) + -1
(-2 + 2w) + -9 = 10(w + 7) + -1

Reorder the terms:
-2 + -9 + 2w = 10(w + 7) + -1

Combine like terms: -2 + -9 = -11
-11 + 2w = 10(w + 7) + -1

Reorder the terms:
-11 + 2w = 10(7 + w) + -1
-11 + 2w = (7 * 10 + w * 10) + -1
-11 + 2w = (70 + 10w) + -1

Reorder the terms:
-11 + 2w = 70 + -1 + 10w

Combine like terms: 70 + -1 = 69
-11 + 2w = 69 + 10w

Solving
-11 + 2w = 69 + 10w

Solving for variable 'w'.

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

Add '-10w' to each side of the equation.
-11 + 2w + -10w = 69 + 10w + -10w

Combine like terms: 2w + -10w = -8w
-11 + -8w = 69 + 10w + -10w

Combine like terms: 10w + -10w = 0
-11 + -8w = 69 + 0
-11 + -8w = 69

Add '11' to each side of the equation.
-11 + 11 + -8w = 69 + 11

Combine like terms: -11 + 11 = 0
0 + -8w = 69 + 11
-8w = 69 + 11

Combine like terms: 69 + 11 = 80
-8w = 80

Divide each side by '-8'.
w = -10

Simplifying
w = -10

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