31.50=4.50+2.25w

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Solution for 31.50=4.50+2.25w equation: 


Simplifying
31.50 = 4.50 + 2.25w

Solving
31.50 = 4.50 + 2.25w

Solving for variable 'w'.

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

Add '-2.25w' to each side of the equation.
31.50 + -2.25w = 4.50 + 2.25w + -2.25w

Combine like terms: 2.25w + -2.25w = 0.00
31.50 + -2.25w = 4.50 + 0.00
31.50 + -2.25w = 4.50

Add '-31.50' to each side of the equation.
31.50 + -31.50 + -2.25w = 4.50 + -31.50

Combine like terms: 31.50 + -31.50 = 0.00
0.00 + -2.25w = 4.50 + -31.50
-2.25w = 4.50 + -31.50

Combine like terms: 4.50 + -31.50 = -27
-2.25w = -27

Divide each side by '-2.25'.
w = 12

Simplifying
w = 12

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