12+8=-w-3w

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Solution for 12+8=-w-3w equation:


Simplifying
12 + 8 = -1w + -3w

Combine like terms: 12 + 8 = 20
20 = -1w + -3w

Combine like terms: -1w + -3w = -4w
20 = -4w

Solving
20 = -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 + 4w = -4w + 4w

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

Add '-20' to each side of the equation.
20 + -20 + 4w = 0 + -20

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

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

Divide each side by '4'.
w = -5

Simplifying
w = -5

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