4(3-y)+8=12(3-y)

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Solution for 4(3-y)+8=12(3-y) equation:


Simplifying
4(3 + -1y) + 8 = 12(3 + -1y)
(3 * 4 + -1y * 4) + 8 = 12(3 + -1y)
(12 + -4y) + 8 = 12(3 + -1y)

Reorder the terms:
12 + 8 + -4y = 12(3 + -1y)

Combine like terms: 12 + 8 = 20
20 + -4y = 12(3 + -1y)
20 + -4y = (3 * 12 + -1y * 12)
20 + -4y = (36 + -12y)

Solving
20 + -4y = 36 + -12y

Solving for variable 'y'.

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

Add '12y' to each side of the equation.
20 + -4y + 12y = 36 + -12y + 12y

Combine like terms: -4y + 12y = 8y
20 + 8y = 36 + -12y + 12y

Combine like terms: -12y + 12y = 0
20 + 8y = 36 + 0
20 + 8y = 36

Add '-20' to each side of the equation.
20 + -20 + 8y = 36 + -20

Combine like terms: 20 + -20 = 0
0 + 8y = 36 + -20
8y = 36 + -20

Combine like terms: 36 + -20 = 16
8y = 16

Divide each side by '8'.
y = 2

Simplifying
y = 2

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