Answers

2014-01-12T20:44:31+08:00
X should be less than -6
x < -6

solution:
x + 7 < 1
x < 1 - 7
x < -6
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2014-01-12T22:43:36+08:00
The solution for this x+7<1
so u need to transfer 7 to the right and the sign is supposed to be negative
x<1-7
so ur answer is x<-6
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