640=2(3w-12)+w

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Solution for 640=2(3w-12)+w equation:


Simplifying
640 = 2(3w + -12) + w

Reorder the terms:
640 = 2(-12 + 3w) + w
640 = (-12 * 2 + 3w * 2) + w
640 = (-24 + 6w) + w

Combine like terms: 6w + w = 7w
640 = -24 + 7w

Solving
640 = -24 + 7w

Solving for variable 'w'.

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

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

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

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

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

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

Divide each side by '-7'.
w = 94.85714286

Simplifying
w = 94.85714286

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