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

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


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

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

Reorder the terms:
-15 + -5y = -9(3 + y)
-15 + -5y = (3 * -9 + y * -9)
-15 + -5y = (-27 + -9y)

Solving
-15 + -5y = -27 + -9y

Solving for variable 'y'.

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

Add '9y' to each side of the equation.
-15 + -5y + 9y = -27 + -9y + 9y

Combine like terms: -5y + 9y = 4y
-15 + 4y = -27 + -9y + 9y

Combine like terms: -9y + 9y = 0
-15 + 4y = -27 + 0
-15 + 4y = -27

Add '15' to each side of the equation.
-15 + 15 + 4y = -27 + 15

Combine like terms: -15 + 15 = 0
0 + 4y = -27 + 15
4y = -27 + 15

Combine like terms: -27 + 15 = -12
4y = -12

Divide each side by '4'.
y = -3

Simplifying
y = -3

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