SOLUTION: Helping kid with homework, been too long, Please help. solve in interval notation |6x – 1| ≤ 7

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Question 543957: Helping kid with homework, been too long, Please help.
solve in interval notation
|6x – 1| ≤ 7
Answer by umnikmo(75) About Me  (Show Source):
You can put this solution on YOUR website!
fist we assume 6x-1>0 so x>1/6
6x-1<=7
6x<=8
x<=4/3
so x E (1/6;4/3]
now we assume 6x-1<=0 so x<=1/6
1-6x<=7
x>=-1
so x E [-1;1/6]
Ans: x E [-1;4/3]