4=20-2w

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Solution for 4=20-2w equation:


Simplifying
4 = 20 + -2w

Solving
4 = 20 + -2w

Solving for variable 'w'.

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

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

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

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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