9y+39=3(y-1)

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Solution for 9y+39=3(y-1) equation:


Simplifying
9y + 39 = 3(y + -1)

Reorder the terms:
39 + 9y = 3(y + -1)

Reorder the terms:
39 + 9y = 3(-1 + y)
39 + 9y = (-1 * 3 + y * 3)
39 + 9y = (-3 + 3y)

Solving
39 + 9y = -3 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
39 + 9y + -3y = -3 + 3y + -3y

Combine like terms: 9y + -3y = 6y
39 + 6y = -3 + 3y + -3y

Combine like terms: 3y + -3y = 0
39 + 6y = -3 + 0
39 + 6y = -3

Add '-39' to each side of the equation.
39 + -39 + 6y = -3 + -39

Combine like terms: 39 + -39 = 0
0 + 6y = -3 + -39
6y = -3 + -39

Combine like terms: -3 + -39 = -42
6y = -42

Divide each side by '6'.
y = -7

Simplifying
y = -7

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