Ignore the other questions I just need help with numbers 18 and 25 how do you work it out please help me out I would of have helped you

Question

asked Nov 25, 2023 91.4k views

1 Answer

Davegson · Answer 1 · 2023-12-01T19:45:29+0000

Answer:

25. -7/5
$\leq$ x
$\leq$ 1

Explanation:

18:

$5-|x|\leq 2\\-|x| \leq -3\\|x|\leq 3\\x\geq -3$ or
$x\leq 3$

25:

$3|5x+1|-6\geq 12\\3|5x+1|\geq 18\\|5x+1|\geq 6\\x\leq -7/5$ or
$x\geq 1$

$-7/5\leq x\leq 1$

I don't think I explained this well let me know if you need more explanation.