w-w+w+2=20

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Solution for w-w+w+2=20 equation: 


Simplifying
w + -1w + w + 2 = 20

Reorder the terms:
2 + w + -1w + w = 20

Combine like terms: w + -1w = 0
2 + 0 + w = 20
2 + w = 20

Solving
2 + w = 20

Solving for variable 'w'.

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

Add '-2' to each side of the equation.
2 + -2 + w = 20 + -2

Combine like terms: 2 + -2 = 0
0 + w = 20 + -2
w = 20 + -2

Combine like terms: 20 + -2 = 18
w = 18

Simplifying
w = 18

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