15+9y=3(5y-8)

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Solution for 15+9y=3(5y-8) equation:


Simplifying
15 + 9y = 3(5y + -8)

Reorder the terms:
15 + 9y = 3(-8 + 5y)
15 + 9y = (-8 * 3 + 5y * 3)
15 + 9y = (-24 + 15y)

Solving
15 + 9y = -24 + 15y

Solving for variable 'y'.

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

Add '-15y' to each side of the equation.
15 + 9y + -15y = -24 + 15y + -15y

Combine like terms: 9y + -15y = -6y
15 + -6y = -24 + 15y + -15y

Combine like terms: 15y + -15y = 0
15 + -6y = -24 + 0
15 + -6y = -24

Add '-15' to each side of the equation.
15 + -15 + -6y = -24 + -15

Combine like terms: 15 + -15 = 0
0 + -6y = -24 + -15
-6y = -24 + -15

Combine like terms: -24 + -15 = -39
-6y = -39

Divide each side by '-6'.
y = 6.5

Simplifying
y = 6.5

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