3-y=4y+12

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Solution for 3-y=4y+12 equation:


Simplifying
3 + -1y = 4y + 12

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

Solving
3 + -1y = 12 + 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.
3 + -1y + -4y = 12 + 4y + -4y

Combine like terms: -1y + -4y = -5y
3 + -5y = 12 + 4y + -4y

Combine like terms: 4y + -4y = 0
3 + -5y = 12 + 0
3 + -5y = 12

Add '-3' to each side of the equation.
3 + -3 + -5y = 12 + -3

Combine like terms: 3 + -3 = 0
0 + -5y = 12 + -3
-5y = 12 + -3

Combine like terms: 12 + -3 = 9
-5y = 9

Divide each side by '-5'.
y = -1.8

Simplifying
y = -1.8

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