42=18-4w

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Solution for 42=18-4w equation:


Simplifying
42 = 18 + -4w

Solving
42 = 18 + -4w

Solving for variable 'w'.

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

Add '4w' to each side of the equation.
42 + 4w = 18 + -4w + 4w

Combine like terms: -4w + 4w = 0
42 + 4w = 18 + 0
42 + 4w = 18

Add '-42' to each side of the equation.
42 + -42 + 4w = 18 + -42

Combine like terms: 42 + -42 = 0
0 + 4w = 18 + -42
4w = 18 + -42

Combine like terms: 18 + -42 = -24
4w = -24

Divide each side by '4'.
w = -6

Simplifying
w = -6

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