Mathematics, 16.07.2019 16:30 tajanae11
Triple a number, x, increased by 1 is between -20 and 10. what are the solutions for x?
Answers: 1
![-20 \leq 3x+1 \leq 10\\ \Rightarrow\ -21 \leq 3x \leq 9\\ \Rightarrow\ -7 \leq x \leq 3\\ Sol=[-7\ 3]\ if\ x\ is\ a\ real. ](/tpl/images/0096/9646/1537e.png)
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Triple a number, x, increased by 1 is between -20 and 10. what are the solutions for x?...
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