Question 66597
to solve just substitute 2,7,9 & 11 for x thus:
p=2/2+75
p=1+75
p=76 solution
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p=7/2+75
p=3.5+75
p=78.5 solution
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p=9/2+75
p=4.5+75
p=79.5 solution
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p=11/2+75
p=5.5+75
p=80.5 solution
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