9w+2w-9w-1=13

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Solution for 9w+2w-9w-1=13 equation:


Simplifying
9w + 2w + -9w + -1 = 13

Reorder the terms:
-1 + 9w + 2w + -9w = 13

Combine like terms: 9w + 2w = 11w
-1 + 11w + -9w = 13

Combine like terms: 11w + -9w = 2w
-1 + 2w = 13

Solving
-1 + 2w = 13

Solving for variable 'w'.

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

Add '1' to each side of the equation.
-1 + 1 + 2w = 13 + 1

Combine like terms: -1 + 1 = 0
0 + 2w = 13 + 1
2w = 13 + 1

Combine like terms: 13 + 1 = 14
2w = 14

Divide each side by '2'.
w = 7

Simplifying
w = 7

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