SOLUTION: Judy age now is twice tom's age decreased by 10. In four years, the sum of Judy's age and Tom's age will be 40, How old is Tom now? Please solve using substitution or elimination ,

Question 1179309: Judy age now is twice tom's age decreased by 10. In four years, the sum of Judy's age and Tom's age will be 40, How old is Tom now? Please solve using substitution or elimination , thanks
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
j, Judy
t, Tom

.
.
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