212=2w+2(w+20)

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Solution for 212=2w+2(w+20) equation:


Simplifying
212 = 2w + 2(w + 20)

Reorder the terms:
212 = 2w + 2(20 + w)
212 = 2w + (20 * 2 + w * 2)
212 = 2w + (40 + 2w)

Reorder the terms:
212 = 40 + 2w + 2w

Combine like terms: 2w + 2w = 4w
212 = 40 + 4w

Solving
212 = 40 + 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.
212 + -4w = 40 + 4w + -4w

Combine like terms: 4w + -4w = 0
212 + -4w = 40 + 0
212 + -4w = 40

Add '-212' to each side of the equation.
212 + -212 + -4w = 40 + -212

Combine like terms: 212 + -212 = 0
0 + -4w = 40 + -212
-4w = 40 + -212

Combine like terms: 40 + -212 = -172
-4w = -172

Divide each side by '-4'.
w = 43

Simplifying
w = 43

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