w+7+w-15+w=13

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Solution for w+7+w-15+w=13 equation:


Simplifying
w + 7 + w + -15 + w = 13

Reorder the terms:
7 + -15 + w + w + w = 13

Combine like terms: 7 + -15 = -8
-8 + w + w + w = 13

Combine like terms: w + w = 2w
-8 + 2w + w = 13

Combine like terms: 2w + w = 3w
-8 + 3w = 13

Solving
-8 + 3w = 13

Solving for variable 'w'.

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

Add '8' to each side of the equation.
-8 + 8 + 3w = 13 + 8

Combine like terms: -8 + 8 = 0
0 + 3w = 13 + 8
3w = 13 + 8

Combine like terms: 13 + 8 = 21
3w = 21

Divide each side by '3'.
w = 7

Simplifying
w = 7

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