4(3y+9)=9-3(y-9)

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Solution for 4(3y+9)=9-3(y-9) equation:


Simplifying
4(3y + 9) = 9 + -3(y + -9)

Reorder the terms:
4(9 + 3y) = 9 + -3(y + -9)
(9 * 4 + 3y * 4) = 9 + -3(y + -9)
(36 + 12y) = 9 + -3(y + -9)

Reorder the terms:
36 + 12y = 9 + -3(-9 + y)
36 + 12y = 9 + (-9 * -3 + y * -3)
36 + 12y = 9 + (27 + -3y)

Combine like terms: 9 + 27 = 36
36 + 12y = 36 + -3y

Add '-36' to each side of the equation.
36 + -36 + 12y = 36 + -36 + -3y

Combine like terms: 36 + -36 = 0
0 + 12y = 36 + -36 + -3y
12y = 36 + -36 + -3y

Combine like terms: 36 + -36 = 0
12y = 0 + -3y
12y = -3y

Solving
12y = -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.
12y + 3y = -3y + 3y

Combine like terms: 12y + 3y = 15y
15y = -3y + 3y

Combine like terms: -3y + 3y = 0
15y = 0

Divide each side by '15'.
y = 0

Simplifying
y = 0

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