3w+20=-4(w+9)

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Solution for 3w+20=-4(w+9) equation:


Simplifying
3w + 20 = -4(w + 9)

Reorder the terms:
20 + 3w = -4(w + 9)

Reorder the terms:
20 + 3w = -4(9 + w)
20 + 3w = (9 * -4 + w * -4)
20 + 3w = (-36 + -4w)

Solving
20 + 3w = -36 + -4w

Solving for variable 'w'.

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

Add '4w' to each side of the equation.
20 + 3w + 4w = -36 + -4w + 4w

Combine like terms: 3w + 4w = 7w
20 + 7w = -36 + -4w + 4w

Combine like terms: -4w + 4w = 0
20 + 7w = -36 + 0
20 + 7w = -36

Add '-20' to each side of the equation.
20 + -20 + 7w = -36 + -20

Combine like terms: 20 + -20 = 0
0 + 7w = -36 + -20
7w = -36 + -20

Combine like terms: -36 + -20 = -56
7w = -56

Divide each side by '7'.
w = -8

Simplifying
w = -8

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