Question

Tolong kerjaki dulu no. 2 . b
help me........

Answer 1

2b. |3x -5|
→ 3x - 5
→-3x + 5

a. 3x - 5 = 7. b. -3x + 5 = 7
3x. = 12. -3x = 2
x. = 4. x. = - 2/3

Dicoba :

a. |3(4) - 5 | = 7. b. |3(-2/3) - 5| = 7
| 12 - 5 | = 7. | -2 - 5 | = 7
| 7 | = 7. | -7 | = 7
7. = 7

HP = {2/3 , 4}

* itu 2 per 3

Answer 2

L3x-5l = 7
3x-5=7 -> x=4 .... (1)
-3x+5=7-> x= -2/3...(2)
hp(-2/3,4)