42=38-4(-1-2w)

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Solution for 42=38-4(-1-2w) equation:


Simplifying
42 = 38 + -4(-1 + -2w)
42 = 38 + (-1 * -4 + -2w * -4)
42 = 38 + (4 + 8w)

Combine like terms: 38 + 4 = 42
42 = 42 + 8w

Add '-42' to each side of the equation.
42 + -42 = 42 + -42 + 8w

Combine like terms: 42 + -42 = 0
0 = 42 + -42 + 8w

Combine like terms: 42 + -42 = 0
0 = 0 + 8w
0 = 8w

Solving
0 = 8w

Solving for variable 'w'.

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

Add '-8w' to each side of the equation.
0 + -8w = 8w + -8w
Remove the zero:
-8w = 8w + -8w

Combine like terms: 8w + -8w = 0
-8w = 0

Divide each side by '-8'.
w = 0

Simplifying
w = 0

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