-15-13=9w-2w

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Solution for -15-13=9w-2w equation:


Simplifying
-15 + -13 = 9w + -2w

Combine like terms: -15 + -13 = -28
-28 = 9w + -2w

Combine like terms: 9w + -2w = 7w
-28 = 7w

Solving
-28 = 7w

Solving for variable 'w'.

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

Add '-7w' to each side of the equation.
-28 + -7w = 7w + -7w

Combine like terms: 7w + -7w = 0
-28 + -7w = 0

Add '28' to each side of the equation.
-28 + 28 + -7w = 0 + 28

Combine like terms: -28 + 28 = 0
0 + -7w = 0 + 28
-7w = 0 + 28

Combine like terms: 0 + 28 = 28
-7w = 28

Divide each side by '-7'.
w = -4

Simplifying
w = -4

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