4(w+3)=w-9

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Solution for 4(w+3)=w-9 equation:


Simplifying
4(w + 3) = w + -9

Reorder the terms:
4(3 + w) = w + -9
(3 * 4 + w * 4) = w + -9
(12 + 4w) = w + -9

Reorder the terms:
12 + 4w = -9 + w

Solving
12 + 4w = -9 + 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.
12 + 4w + -1w = -9 + w + -1w

Combine like terms: 4w + -1w = 3w
12 + 3w = -9 + w + -1w

Combine like terms: w + -1w = 0
12 + 3w = -9 + 0
12 + 3w = -9

Add '-12' to each side of the equation.
12 + -12 + 3w = -9 + -12

Combine like terms: 12 + -12 = 0
0 + 3w = -9 + -12
3w = -9 + -12

Combine like terms: -9 + -12 = -21
3w = -21

Divide each side by '3'.
w = -7

Simplifying
w = -7

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