12=4(w-3)-8w

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Solution for 12=4(w-3)-8w equation:


Simplifying
12 = 4(w + -3) + -8w

Reorder the terms:
12 = 4(-3 + w) + -8w
12 = (-3 * 4 + w * 4) + -8w
12 = (-12 + 4w) + -8w

Combine like terms: 4w + -8w = -4w
12 = -12 + -4w

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

Combine like terms: -4w + 4w = 0
12 + 4w = -12 + 0
12 + 4w = -12

Add '-12' to each side of the equation.
12 + -12 + 4w = -12 + -12

Combine like terms: 12 + -12 = 0
0 + 4w = -12 + -12
4w = -12 + -12

Combine like terms: -12 + -12 = -24
4w = -24

Divide each side by '4'.
w = -6

Simplifying
w = -6

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