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

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


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

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

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

Solving
-9 + -3y = 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.
-9 + -3y + -9y = 27 + 9y + -9y

Combine like terms: -3y + -9y = -12y
-9 + -12y = 27 + 9y + -9y

Combine like terms: 9y + -9y = 0
-9 + -12y = 27 + 0
-9 + -12y = 27

Add '9' to each side of the equation.
-9 + 9 + -12y = 27 + 9

Combine like terms: -9 + 9 = 0
0 + -12y = 27 + 9
-12y = 27 + 9

Combine like terms: 27 + 9 = 36
-12y = 36

Divide each side by '-12'.
y = -3

Simplifying
y = -3

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