If three times Kathy's age is decreased by 36, the result is twice Kathy's age. How old is Kathy? x = Kathy's age
3x - 36 = 2x {three times her age minus 36 equals twice her age} -36 = -x {subtracted 3x from both sides} x = 36 {divided both sides by -1} Kathy is 36 - Algebra House
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