3(w+7)=9+2w

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Solution for 3(w+7)=9+2w equation:


Simplifying
3(w + 7) = 9 + 2w

Reorder the terms:
3(7 + w) = 9 + 2w
(7 * 3 + w * 3) = 9 + 2w
(21 + 3w) = 9 + 2w

Solving
21 + 3w = 9 + 2w

Solving for variable 'w'.

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

Add '-2w' to each side of the equation.
21 + 3w + -2w = 9 + 2w + -2w

Combine like terms: 3w + -2w = 1w
21 + 1w = 9 + 2w + -2w

Combine like terms: 2w + -2w = 0
21 + 1w = 9 + 0
21 + 1w = 9

Add '-21' to each side of the equation.
21 + -21 + 1w = 9 + -21

Combine like terms: 21 + -21 = 0
0 + 1w = 9 + -21
1w = 9 + -21

Combine like terms: 9 + -21 = -12
1w = -12

Divide each side by '1'.
w = -12

Simplifying
w = -12

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