Question

Solve the open sentence.

–3 ≤ n + 6 ≤ 7









A.

n ≤ –9 and n ≤ 6








B.

n ≥ –9 and n ≤ 1








C.

n ≤ 3 and n ≤ 7








D.

n ≥ 9 and n ≤ 7

Answer 1

The only step you need to do here is to isolate the variable. Do you have any idea how you'd do that?

Answer 2

not really

Answer 3

can you help me peaz

Answer 4

Sure. All need to do to remove something being added to a variable in an algebraic equation is to subtract the same number from all sides. In this case, there's three to subtract it from.

Answer 5

how do you do that

Answer 6

Allow me to give you an example.

Answer 7

-3<n<1
- -

Answer 8

Keep in mind the rule "What you do to one side [of an algebraic equation] must be done to all other sides". you did the right side correctly, but you left the left side as it was before you should have subtracted 6.

Answer 9

b

Answer 10

Correct!

Answer 11

thx what grade are you in im in 8th going to 9th

Answer 12

wow are you home school or no

Answer 13

Nope. I just hated my math instructors, and frankly, I figured I could teach in a way that made more sense to students than your book's methods. I found mine when I did everything the long, complicated way, so I thought I could share, over time, my methods.

Answer 14

cool so your almost like a mentor yeah keep on living :p

Answer 15

I shall certainly try! By the way, if you feel I've helped, please leave a testimonial for me. It really helps! Thanks!

Answer 16

i sent a message to you

Answer 17

I got it, I was just taking care of something else. And don't worry, I shan't!

Answer 18

kay have a wonderful day