9-3w+w=13

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Solution for 9-3w+w=13 equation: 


Simplifying
9 + -3w + w = 13

Combine like terms: -3w + w = -2w
9 + -2w = 13

Solving
9 + -2w = 13

Solving for variable 'w'.

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

Add '-9' to each side of the equation.
9 + -9 + -2w = 13 + -9

Combine like terms: 9 + -9 = 0
0 + -2w = 13 + -9
-2w = 13 + -9

Combine like terms: 13 + -9 = 4
-2w = 4

Divide each side by '-2'.
w = -2

Simplifying
w = -2

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