Question

Check my answer:
What is the value of the expression |x| + |y + z| when x = –7, y = 8, and z = –11?

my answer is -10

Answer 1

uh the brackets idk

Answer 2

the | | means absolute value. if you do | 3 | you get 3
if you do |-3| you get 3
it makes whatever is "inside" positive.

Answer 3

kk thx

Answer 4

so you should be able to figure out |x| when x is -7
| -7 | = ?

Answer 5

7

Answer 6

and | y + z| when y is 8 and z is -11
| 8 - 11 |

first simplify to get -3, the simplify |-3|

Answer 7

*first simplify 8-11 to get -3, then simplify |-3|
to get 3

finally, add
7+3
(we are doing |x| + |y+z| )

Answer 8

i got 10

Answer 9

yes

Answer 10

kk thx