9(10-3w)=5(15-4w)

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Solution for 9(10-3w)=5(15-4w) equation:


Simplifying
9(10 + -3w) = 5(15 + -4w)
(10 * 9 + -3w * 9) = 5(15 + -4w)
(90 + -27w) = 5(15 + -4w)
90 + -27w = (15 * 5 + -4w * 5)
90 + -27w = (75 + -20w)

Solving
90 + -27w = 75 + -20w

Solving for variable 'w'.

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

Add '20w' to each side of the equation.
90 + -27w + 20w = 75 + -20w + 20w

Combine like terms: -27w + 20w = -7w
90 + -7w = 75 + -20w + 20w

Combine like terms: -20w + 20w = 0
90 + -7w = 75 + 0
90 + -7w = 75

Add '-90' to each side of the equation.
90 + -90 + -7w = 75 + -90

Combine like terms: 90 + -90 = 0
0 + -7w = 75 + -90
-7w = 75 + -90

Combine like terms: 75 + -90 = -15
-7w = -15

Divide each side by '-7'.
w = 2.142857143

Simplifying
w = 2.142857143

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