-4(w-7)-(8+7w)=-12w

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Solution for -4(w-7)-(8+7w)=-12w equation:


Simplifying
-4(w + -7) + -1(8 + 7w) = -12w

Reorder the terms:
-4(-7 + w) + -1(8 + 7w) = -12w
(-7 * -4 + w * -4) + -1(8 + 7w) = -12w
(28 + -4w) + -1(8 + 7w) = -12w
28 + -4w + (8 * -1 + 7w * -1) = -12w
28 + -4w + (-8 + -7w) = -12w

Reorder the terms:
28 + -8 + -4w + -7w = -12w

Combine like terms: 28 + -8 = 20
20 + -4w + -7w = -12w

Combine like terms: -4w + -7w = -11w
20 + -11w = -12w

Solving
20 + -11w = -12w

Solving for variable 'w'.

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

Add '12w' to each side of the equation.
20 + -11w + 12w = -12w + 12w

Combine like terms: -11w + 12w = 1w
20 + 1w = -12w + 12w

Combine like terms: -12w + 12w = 0
20 + 1w = 0

Add '-20' to each side of the equation.
20 + -20 + 1w = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 1w = 0 + -20
1w = 0 + -20

Combine like terms: 0 + -20 = -20
1w = -20

Divide each side by '1'.
w = -20

Simplifying
w = -20

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