3(8-y)=9(y-4)

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Solution for 3(8-y)=9(y-4) equation:


Simplifying
3(8 + -1y) = 9(y + -4)
(8 * 3 + -1y * 3) = 9(y + -4)
(24 + -3y) = 9(y + -4)

Reorder the terms:
24 + -3y = 9(-4 + y)
24 + -3y = (-4 * 9 + y * 9)
24 + -3y = (-36 + 9y)

Solving
24 + -3y = -36 + 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.
24 + -3y + -9y = -36 + 9y + -9y

Combine like terms: -3y + -9y = -12y
24 + -12y = -36 + 9y + -9y

Combine like terms: 9y + -9y = 0
24 + -12y = -36 + 0
24 + -12y = -36

Add '-24' to each side of the equation.
24 + -24 + -12y = -36 + -24

Combine like terms: 24 + -24 = 0
0 + -12y = -36 + -24
-12y = -36 + -24

Combine like terms: -36 + -24 = -60
-12y = -60

Divide each side by '-12'.
y = 5

Simplifying
y = 5

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