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Mathematics 7 Online
OpenStudy (anonymous):

If x and y are positive integers, 2x+y<29, and y>4, what is the greatest possible value of x-y? Please explain in detail A. 5 B. 6 C. 7 D. 8 E. 9

OpenStudy (anonymous):

try solving for in terms of y first.

hero (hero):

Start off with y = 5 and see where it leads you

OpenStudy (anonymous):

where would i plug y=5 into?

OpenStudy (anonymous):

like which equation

hero (hero):

Plug it in to 2x + y < 29

OpenStudy (anonymous):

2x=24?

OpenStudy (anonymous):

so x=12?

hero (hero):

So what is x - y ?

OpenStudy (anonymous):

7

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