15=2w+7(w+6)

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Solution for 15=2w+7(w+6) equation:


Simplifying
15 = 2w + 7(w + 6)

Reorder the terms:
15 = 2w + 7(6 + w)
15 = 2w + (6 * 7 + w * 7)
15 = 2w + (42 + 7w)

Reorder the terms:
15 = 42 + 2w + 7w

Combine like terms: 2w + 7w = 9w
15 = 42 + 9w

Solving
15 = 42 + 9w

Solving for variable 'w'.

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

Add '-9w' to each side of the equation.
15 + -9w = 42 + 9w + -9w

Combine like terms: 9w + -9w = 0
15 + -9w = 42 + 0
15 + -9w = 42

Add '-15' to each side of the equation.
15 + -15 + -9w = 42 + -15

Combine like terms: 15 + -15 = 0
0 + -9w = 42 + -15
-9w = 42 + -15

Combine like terms: 42 + -15 = 27
-9w = 27

Divide each side by '-9'.
w = -3

Simplifying
w = -3

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