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OpenStudy (anonymous):
How many solutions does the equation −3a + 3a + 6 = 7 have? A) One B) Two C) Infinitely many D) None
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OpenStudy (anonymous):
D) None
OpenStudy (anonymous):
@ssssss
OpenStudy (anonymous):
would you like an explanation?
OpenStudy (anonymous):
yess
OpenStudy (anonymous):
ok so -3a + 3a cancel out correct ?
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OpenStudy (anonymous):
leaving you with 6 = 7
OpenStudy (anonymous):
and that does not make sense right? so it has no solutions :)
OpenStudy (anonymous):
any questions?
OpenStudy (perl):
because 6=7 is a false statement, a 'contradiction'
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