W+3w-12+w+3w-12=640

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Solution for W+3w-12+w+3w-12=640 equation:


Simplifying
W + 3w + -12 + w + 3w + -12 = 640

Reorder the terms:
-12 + -12 + W + 3w + w + 3w = 640

Combine like terms: -12 + -12 = -24
-24 + W + 3w + w + 3w = 640

Combine like terms: 3w + w = 4w
-24 + W + 4w + 3w = 640

Combine like terms: 4w + 3w = 7w
-24 + W + 7w = 640

Solving
-24 + W + 7w = 640

Solving for variable 'W'.

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

Add '24' to each side of the equation.
-24 + W + 24 + 7w = 640 + 24

Reorder the terms:
-24 + 24 + W + 7w = 640 + 24

Combine like terms: -24 + 24 = 0
0 + W + 7w = 640 + 24
W + 7w = 640 + 24

Combine like terms: 640 + 24 = 664
W + 7w = 664

Add '-7w' to each side of the equation.
W + 7w + -7w = 664 + -7w

Combine like terms: 7w + -7w = 0
W + 0 = 664 + -7w
W = 664 + -7w

Simplifying
W = 664 + -7w

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