31=2w+9

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Solution for 31=2w+9 equation:


Simplifying
31 = 2w + 9

Reorder the terms:
31 = 9 + 2w

Solving
31 = 9 + 2w

Solving for variable 'w'.

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

Add '-2w' to each side of the equation.
31 + -2w = 9 + 2w + -2w

Combine like terms: 2w + -2w = 0
31 + -2w = 9 + 0
31 + -2w = 9

Add '-31' to each side of the equation.
31 + -31 + -2w = 9 + -31

Combine like terms: 31 + -31 = 0
0 + -2w = 9 + -31
-2w = 9 + -31

Combine like terms: 9 + -31 = -22
-2w = -22

Divide each side by '-2'.
w = 11

Simplifying
w = 11

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