7+w-1=15

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Solution for 7+w-1=15 equation: 


Simplifying
7 + w + -1 = 15

Reorder the terms:
7 + -1 + w = 15

Combine like terms: 7 + -1 = 6
6 + w = 15

Solving
6 + w = 15

Solving for variable 'w'.

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

Add '-6' to each side of the equation.
6 + -6 + w = 15 + -6

Combine like terms: 6 + -6 = 0
0 + w = 15 + -6
w = 15 + -6

Combine like terms: 15 + -6 = 9
w = 9

Simplifying
w = 9

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