Question

Solve for u.
7|u|≤7
Write a compound inequality like 1 < x < 3 or like x < 1 or x > 3. Use integers, proper fractions, or improper fractions in simplest form.

Answer 1

so just use the way what i ve used before on your past posted problem

Answer 2

do i just add 7 to both sides

Answer 3

no bc. there is 7 *I u I <= 7

Answer 4

so what's the first step??

Answer 5

how you eliminate the 7 from the left part if there is 7 time modulus of ... ?

Answer 6

so you subtract 7 from both sides??

Answer 7

no bc. you need isolate the I u I on a part of equation

Answer 8

so what do i do?

Answer 9

ok divide both sides by 7 and look what will get in this way ?

Answer 10

1 l u l <=1

Answer 11

both sides equal 1

Answer 12

are you still there

Answer 13

you get

I u I <= 1

and now using what wrote to you @Laylalyssa on your past posted problem

u >= -1
u <= 1 so

-1 <= u <= 1

Answer 14

ohhh ok thanks

Answer 15

do you understand it now ?

Answer 16

yes i think so

Answer 17

ok

yw

Answer 18

i might have more questions tho

Answer 19

ok just use the way used here and before on your past posted problem

Answer 20

ok i do have another one because i dont know which number to add by

Answer 21

pls post it on the open questions column

Answer 22

ok