Question

ajutați mă va roggg
a)||x+3|-7|=4
b)||x+2|-5|=8
c)||x+1|-4|=7
d)|9-|x+4||=12
e)|10-|x-3||=6
f)|9-|x-4||=11
g)||x+4|-3|=5
h)||x+6|-8|=7
i)||x+2|-4|=6
j)||x+7|-10|=14
k)||x+12|-9|=6
l)||x+8|-13|=10
​

Answer 1

Răspuns:

a. |3x-7|=4

3x=4--7=-3

x=3