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OpenStudy (anonymous):
Four more than twice a number is seven more than the number. What is the number?
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OpenStudy (anonymous):
hi:DD
OpenStudy (a1234):
2n + 4 = n + 7 Subtract n from both sides: n + 4 = 7 Subtract 4 from both sides: n = 3 Check to see if it works.
OpenStudy (anonymous):
it does, thank you!!! (:
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