paytonlewellyn123 paytonlewellyn123
  • 04-08-2016
  • Mathematics
contestada

Solve for x: |3x + 12| = 18
A.x = 2, x = –10
B.x = 2, x = –2
C.x = 10, x = –10
D.x = –2, x = 10

Respuesta :

Panoyin
Panoyin Panoyin
  • 04-08-2016
|3x + 12| = 18
|3x + 12| = ±18
  3x + 12 = 18    or   3x + 12 = -18
        - 12  - 12                - 12   - 12
           3x = 6                   3x = -30
            3     3                    3       3
             x = 2                     x = -10   
Answer Link

Otras preguntas

Which of the following should a woman NOT wear to work? shoes with heels skirts that fall at the knee tops with spaghetti straps pants of any kind
Math question, please help me
please help me !!!!!!!!!!!!!!!!!!!!!!!
can someone please help me figure this out??
What is the inverse of y = 3x + 9? A. y= 1/3x - 3 B. y = 1/3x + 9 C. y = -1/3x - 3 D. y = 9x + 3
which choice is equivalent to the product below when x >/ 0
The illuminance on a surface is 3.5 lux, and the surface is 2 meters from the light source. What’s the intensity of the source?
Which process must occur before mitosis and meiosis can occur?​
A librarian put 33 books back on the shelves before lunch. Of the books, 11 were non-fiction. What is the ratio of the number of non-fiction books to the total
1. How would the DNA sequence AATCGA be transcribed to mRNA? A. UUACGU B. TTUGCT C. TTAGCT D. UUAGCU