3(w+7)=w+15

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Solution for 3(w+7)=w+15 equation:


Simplifying
3(w + 7) = w + 15

Reorder the terms:
3(7 + w) = w + 15
(7 * 3 + w * 3) = w + 15
(21 + 3w) = w + 15

Reorder the terms:
21 + 3w = 15 + w

Solving
21 + 3w = 15 + w

Solving for variable 'w'.

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

Add '-1w' to each side of the equation.
21 + 3w + -1w = 15 + w + -1w

Combine like terms: 3w + -1w = 2w
21 + 2w = 15 + w + -1w

Combine like terms: w + -1w = 0
21 + 2w = 15 + 0
21 + 2w = 15

Add '-21' to each side of the equation.
21 + -21 + 2w = 15 + -21

Combine like terms: 21 + -21 = 0
0 + 2w = 15 + -21
2w = 15 + -21

Combine like terms: 15 + -21 = -6
2w = -6

Divide each side by '2'.
w = -3

Simplifying
w = -3

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