42+w=20

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Solution for 42+w=20 equation: 


Simplifying
42 + w = 20

Solving
42 + w = 20

Solving for variable 'w'.

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

Add '-42' to each side of the equation.
42 + -42 + w = 20 + -42

Combine like terms: 42 + -42 = 0
0 + w = 20 + -42
w = 20 + -42

Combine like terms: 20 + -42 = -22
w = -22

Simplifying
w = -22

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