3-9y=9-12y

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


Simplifying
3 + -9y = 9 + -12y

Solving
3 + -9y = 9 + -12y

Solving for variable 'y'.

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

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

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

Combine like terms: -12y + 12y = 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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