20w-19w-(-2w)-(-18)=-18

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Solution for 20w-19w-(-2w)-(-18)=-18 equation:


Simplifying
20w + -19w + -1(-2w) + -1(-18) = -18

Remove parenthesis around (-2w)
20w + -19w + -1 * -2w + -1(-18) = -18

Multiply -1 * -2
20w + -19w + 2w + -1(-18) = -18

Multiply -1 * -18
20w + -19w + 2w + 18 = -18

Reorder the terms:
18 + 20w + -19w + 2w = -18

Combine like terms: 20w + -19w = 1w
18 + 1w + 2w = -18

Combine like terms: 1w + 2w = 3w
18 + 3w = -18

Solving
18 + 3w = -18

Solving for variable 'w'.

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

Add '-18' to each side of the equation.
18 + -18 + 3w = -18 + -18

Combine like terms: 18 + -18 = 0
0 + 3w = -18 + -18
3w = -18 + -18

Combine like terms: -18 + -18 = -36
3w = -36

Divide each side by '3'.
w = -12

Simplifying
w = -12

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