12Y-3=9Y-9

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


Simplifying
12Y + -3 = 9Y + -9

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

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

Solving
-3 + 12Y = -9 + 9Y

Solving for variable 'Y'.

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

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

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

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

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

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

Combine like terms: -9 + 3 = -6
3Y = -6

Divide each side by '3'.
Y = -2

Simplifying
Y = -2

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