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

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


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

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

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

Solving
18 + 3y = 54 + -6y

Solving for variable 'y'.

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

Add '6y' to each side of the equation.
18 + 3y + 6y = 54 + -6y + 6y

Combine like terms: 3y + 6y = 9y
18 + 9y = 54 + -6y + 6y

Combine like terms: -6y + 6y = 0
18 + 9y = 54 + 0
18 + 9y = 54

Add '-18' to each side of the equation.
18 + -18 + 9y = 54 + -18

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

Combine like terms: 54 + -18 = 36
9y = 36

Divide each side by '9'.
y = 4

Simplifying
y = 4

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