Asked by Harper
4a-2 (less than or equal to) a + 1 (less than or equal to) 3a + 4
I'm assuming I should put this on a line, like I did with some other problems on my worksheet, right? But I have no idea how I would show 4a-2 on a line! I have no idea how to do this.
Thank you so much!
I'm assuming I should put this on a line, like I did with some other problems on my worksheet, right? But I have no idea how I would show 4a-2 on a line! I have no idea how to do this.
Thank you so much!
Answers
Answered by
Harper
I think I understand how to do this... here's my work.
4a - 2 < a + 1 < 3a + 4
I separated them into two pieces:
4a-2 < a + 1 and a + 1 < 3a + 4
Then, I added two to each side of the first one, and took away 1 from each side of the second one.
4a < a + 3 and a < 3a + 3
I took away took away a from each side of the first one and 3a from each side of the second one.
3a < 3 and -2a + 3
Then, I will put it on a line. Does my work look right?
4a - 2 < a + 1 < 3a + 4
I separated them into two pieces:
4a-2 < a + 1 and a + 1 < 3a + 4
Then, I added two to each side of the first one, and took away 1 from each side of the second one.
4a < a + 3 and a < 3a + 3
I took away took away a from each side of the first one and 3a from each side of the second one.
3a < 3 and -2a + 3
Then, I will put it on a line. Does my work look right?
Answered by
bobpursley
4a-2<a+1
3a<3 or a<1
a+1<3a+4
-3<2a
-3/2 < a
3a<3 or a<1
a+1<3a+4
-3<2a
-3/2 < a
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