15(4-y)=5(10+2y)

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Solution for 15(4-y)=5(10+2y) equation:


Simplifying
15(4 + -1y) = 5(10 + 2y)
(4 * 15 + -1y * 15) = 5(10 + 2y)
(60 + -15y) = 5(10 + 2y)
60 + -15y = (10 * 5 + 2y * 5)
60 + -15y = (50 + 10y)

Solving
60 + -15y = 50 + 10y

Solving for variable 'y'.

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

Add '-10y' to each side of the equation.
60 + -15y + -10y = 50 + 10y + -10y

Combine like terms: -15y + -10y = -25y
60 + -25y = 50 + 10y + -10y

Combine like terms: 10y + -10y = 0
60 + -25y = 50 + 0
60 + -25y = 50

Add '-60' to each side of the equation.
60 + -60 + -25y = 50 + -60

Combine like terms: 60 + -60 = 0
0 + -25y = 50 + -60
-25y = 50 + -60

Combine like terms: 50 + -60 = -10
-25y = -10

Divide each side by '-25'.
y = 0.4

Simplifying
y = 0.4

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