9(w+1)=7w-1

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


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

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

Reorder the terms:
9 + 9w = -1 + 7w

Solving
9 + 9w = -1 + 7w

Solving for variable 'w'.

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

Add '-7w' to each side of the equation.
9 + 9w + -7w = -1 + 7w + -7w

Combine like terms: 9w + -7w = 2w
9 + 2w = -1 + 7w + -7w

Combine like terms: 7w + -7w = 0
9 + 2w = -1 + 0
9 + 2w = -1

Add '-9' to each side of the equation.
9 + -9 + 2w = -1 + -9

Combine like terms: 9 + -9 = 0
0 + 2w = -1 + -9
2w = -1 + -9

Combine like terms: -1 + -9 = -10
2w = -10

Divide each side by '2'.
w = -5

Simplifying
w = -5

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