3y-18=-9(y-6)

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Solution for 3y-18=-9(y-6) equation:


Simplifying
3y + -18 = -9(y + -6)

Reorder the terms:
-18 + 3y = -9(y + -6)

Reorder the terms:
-18 + 3y = -9(-6 + y)
-18 + 3y = (-6 * -9 + y * -9)
-18 + 3y = (54 + -9y)

Solving
-18 + 3y = 54 + -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.
-18 + 3y + 9y = 54 + -9y + 9y

Combine like terms: 3y + 9y = 12y
-18 + 12y = 54 + -9y + 9y

Combine like terms: -9y + 9y = 0
-18 + 12y = 54 + 0
-18 + 12y = 54

Add '18' to each side of the equation.
-18 + 18 + 12y = 54 + 18

Combine like terms: -18 + 18 = 0
0 + 12y = 54 + 18
12y = 54 + 18

Combine like terms: 54 + 18 = 72
12y = 72

Divide each side by '12'.
y = 6

Simplifying
y = 6

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