9w+15=7(w+1)

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Solution for 9w+15=7(w+1) equation:


Simplifying
9w + 15 = 7(w + 1)

Reorder the terms:
15 + 9w = 7(w + 1)

Reorder the terms:
15 + 9w = 7(1 + w)
15 + 9w = (1 * 7 + w * 7)
15 + 9w = (7 + 7w)

Solving
15 + 9w = 7 + 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.
15 + 9w + -7w = 7 + 7w + -7w

Combine like terms: 9w + -7w = 2w
15 + 2w = 7 + 7w + -7w

Combine like terms: 7w + -7w = 0
15 + 2w = 7 + 0
15 + 2w = 7

Add '-15' to each side of the equation.
15 + -15 + 2w = 7 + -15

Combine like terms: 15 + -15 = 0
0 + 2w = 7 + -15
2w = 7 + -15

Combine like terms: 7 + -15 = -8
2w = -8

Divide each side by '2'.
w = -4

Simplifying
w = -4

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