13-9w=-15

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Solution for 13-9w=-15 equation: 


Simplifying
13 + -9w = -15

Solving
13 + -9w = -15

Solving for variable 'w'.

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

Add '-13' to each side of the equation.
13 + -13 + -9w = -15 + -13

Combine like terms: 13 + -13 = 0
0 + -9w = -15 + -13
-9w = -15 + -13

Combine like terms: -15 + -13 = -28
-9w = -28

Divide each side by '-9'.
w = 3.111111111

Simplifying
w = 3.111111111

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