Y+12=3y-9

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Solution for Y+12=3y-9 equation: 


Simplifying
Y + 12 = 3y + -9

Reorder the terms:
12 + Y = 3y + -9

Reorder the terms:
12 + Y = -9 + 3y

Solving
12 + Y = -9 + 3y

Solving for variable 'Y'.

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

Add '-12' to each side of the equation.
12 + -12 + Y = -9 + -12 + 3y

Combine like terms: 12 + -12 = 0
0 + Y = -9 + -12 + 3y
Y = -9 + -12 + 3y

Combine like terms: -9 + -12 = -21
Y = -21 + 3y

Simplifying
Y = -21 + 3y

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