w-(-28)=13

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Solution for w-(-28)=13 equation: 


Simplifying
w + -1(-28) = 13

Multiply -1 * -28
w + 28 = 13

Reorder the terms:
28 + w = 13

Solving
28 + w = 13

Solving for variable 'w'.

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

Add '-28' to each side of the equation.
28 + -28 + w = 13 + -28

Combine like terms: 28 + -28 = 0
0 + w = 13 + -28
w = 13 + -28

Combine like terms: 13 + -28 = -15
w = -15

Simplifying
w = -15

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