125=20y-5(15-y)

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Solution for 125=20y-5(15-y) equation:


Simplifying
125 = 20y + -5(15 + -1y)
125 = 20y + (15 * -5 + -1y * -5)
125 = 20y + (-75 + 5y)

Reorder the terms:
125 = -75 + 20y + 5y

Combine like terms: 20y + 5y = 25y
125 = -75 + 25y

Solving
125 = -75 + 25y

Solving for variable 'y'.

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

Add '-25y' to each side of the equation.
125 + -25y = -75 + 25y + -25y

Combine like terms: 25y + -25y = 0
125 + -25y = -75 + 0
125 + -25y = -75

Add '-125' to each side of the equation.
125 + -125 + -25y = -75 + -125

Combine like terms: 125 + -125 = 0
0 + -25y = -75 + -125
-25y = -75 + -125

Combine like terms: -75 + -125 = -200
-25y = -200

Divide each side by '-25'.
y = 8

Simplifying
y = 8

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