4-2w=20

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Solution for 4-2w=20 equation: 


Simplifying
4 + -2w = 20

Solving
4 + -2w = 20

Solving for variable 'w'.

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

Add '-4' to each side of the equation.
4 + -4 + -2w = 20 + -4

Combine like terms: 4 + -4 = 0
0 + -2w = 20 + -4
-2w = 20 + -4

Combine like terms: 20 + -4 = 16
-2w = 16

Divide each side by '-2'.
w = -8

Simplifying
w = -8

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