-12=4(y-1)

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


Simplifying
-12 = 4(y + -1)

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

Solving
-12 = -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 + -4y = -4 + 4y + -4y

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

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

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

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

Divide each side by '-4'.
y = -2

Simplifying
y = -2

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