SOLUTION: please solve this Jean's and Jessica's age add up to 29,7 years ago Jean was twice as old as Jessica find their present ages.

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Question 1127564: please solve this Jean's and Jessica's age add up to 29,7 years ago Jean was twice as old as Jessica find their present ages.
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
x, Jean
y, Jessica

system%28x%2By=29%2Cx-7=2%28y-7%29%29

29-y-7=2y-14
22-y=2y-14
22%2B14=3y
3y=36
highlight%28y=12%29------Jessica
-
highlight%2817%29--------Jean