12(y-1)=4(y+1)

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Solution for 12(y-1)=4(y+1) equation:


Simplifying
12(y + -1) = 4(y + 1)

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

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

Solving
-12 + 12y = 4 + 4y

Solving for variable 'y'.

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

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

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

Combine like terms: 4y + -4y = 0
-12 + 8y = 4 + 0
-12 + 8y = 4

Add '12' to each side of the equation.
-12 + 12 + 8y = 4 + 12

Combine like terms: -12 + 12 = 0
0 + 8y = 4 + 12
8y = 4 + 12

Combine like terms: 4 + 12 = 16
8y = 16

Divide each side by '8'.
y = 2

Simplifying
y = 2

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