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x/3-3 =x/9+3
add 3 to each side
x/3 = x/9 +6
subtract x/9 from each side
x/3 -x/9 = 6
get a common denominator
3/3*x/3 -x/9 = 6
3x/9 -x/9 =6
2x/9 =6
multiply each side by 9/2
x = 54/2
x=27
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