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OpenStudy (anonymous):
Is 8 a solution of x < -1 or x > 7? A. yes B. no
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hartnn (hartnn):
OR means x=8 should satisfy any 1 of the x<-1 or x>7 does it satisfy x>7 ? means is it true that if x=8, x>7 ? yes/no ?
OpenStudy (jhannybean):
Oh you solve it like that...
hartnn (hartnn):
yes.
OpenStudy (anonymous):
x > 7 let x = 8 8 > 7 which is true. so yes
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