18-w-13=-20

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Solution for 18-w-13=-20 equation:


Simplifying
18 + -1w + -13 = -20

Reorder the terms:
18 + -13 + -1w = -20

Combine like terms: 18 + -13 = 5
5 + -1w = -20

Solving
5 + -1w = -20

Solving for variable 'w'.

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

Add '-5' to each side of the equation.
5 + -5 + -1w = -20 + -5

Combine like terms: 5 + -5 = 0
0 + -1w = -20 + -5
-1w = -20 + -5

Combine like terms: -20 + -5 = -25
-1w = -25

Divide each side by '-1'.
w = 25

Simplifying
w = 25

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