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Mathematics 12 Online
OpenStudy (anonymous):

translate to a system of equations and solve Molly is 4 years younger than Heidi in 3 years Heidi will be twice as old as Molly. how old are they now?

OpenStudy (radar):

See your previous post. It is all done for you except the arithmetic!

OpenStudy (radar):

2(M+3)=(M+4)+3

OpenStudy (radar):

Find M Molly's age now.

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