Question 870887
If stephanie were three times as old as she was four years ago, she will be twelve less than three times her current age. How old is Stephanie
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let x=Stephanie's age 4 yrs ago
3x=Stephanie's current age
3x=3(3x)-12
3x=9x-12
6x=12
x=2
3x=6
How old is Stephanie? 6