20-9w=5(15-w)

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Solution for 20-9w=5(15-w) equation:


Simplifying
20 + -9w = 5(15 + -1w)
20 + -9w = (15 * 5 + -1w * 5)
20 + -9w = (75 + -5w)

Solving
20 + -9w = 75 + -5w

Solving for variable 'w'.

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

Add '5w' to each side of the equation.
20 + -9w + 5w = 75 + -5w + 5w

Combine like terms: -9w + 5w = -4w
20 + -4w = 75 + -5w + 5w

Combine like terms: -5w + 5w = 0
20 + -4w = 75 + 0
20 + -4w = 75

Add '-20' to each side of the equation.
20 + -20 + -4w = 75 + -20

Combine like terms: 20 + -20 = 0
0 + -4w = 75 + -20
-4w = 75 + -20

Combine like terms: 75 + -20 = 55
-4w = 55

Divide each side by '-4'.
w = -13.75

Simplifying
w = -13.75

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