3-2w=42

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Solution for 3-2w=42 equation: 


Simplifying
3 + -2w = 42

Solving
3 + -2w = 42

Solving for variable 'w'.

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

Add '-3' to each side of the equation.
3 + -3 + -2w = 42 + -3

Combine like terms: 3 + -3 = 0
0 + -2w = 42 + -3
-2w = 42 + -3

Combine like terms: 42 + -3 = 39
-2w = 39

Divide each side by '-2'.
w = -19.5

Simplifying
w = -19.5

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