y-12=4*y

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Solution for y-12=4*y equation:


Simplifying
y + -12 = 4y

Reorder the terms:
-12 + y = 4y

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

Combine like terms: y + -4y = -3y
-12 + -3y = 4y + -4y

Combine like terms: 4y + -4y = 0
-12 + -3y = 0

Add '12' to each side of the equation.
-12 + 12 + -3y = 0 + 12

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

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

Divide each side by '-3'.
y = -4

Simplifying
y = -4

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