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could someone please crique this algebra x must be the subject

6y = 9 - 3x
3x = 6y + 9
x = 2y + 3

is this correct please

Add 3x to each side.Giving 6y+3x=9.
Subtract 6y from each side.Giving 3x=9-6y.
Divide each side by 3.Giving x=(9-6y)/3.
Divide numerator by 3.
Giving x=3-2y.

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