chantalpierre3p9s2jo chantalpierre3p9s2jo

10-01-2019
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
help

Respuesta :

11-01-2019

[tex]|3x+12|=18\iff3x+12=18\ \vee\ 3x+12=-18\\\\\text{Subtract 12 from both sides}\\\\3x=6\ \vee\ 3x=-30\qquad\text{divide both sides by 3}\\\\\boxed{x=2\ \vee\ x=-10}\to\boxed{A.}[/tex]

Answer Link

Otras preguntas

who introduced you to art? is it your family? is your school?is it your friends?is it your own observations?

Find the magnitude of the sumof these two vectors:5.00 mA,30.0°B46.00 mmagnitude (m)

Who is wise president of india?________________________

(x+3)^2+5=-28how many solutionswhat type of solutionsexplain how the discriminant relates to how many and what types of solutions this equation hasp.s:i need st

Please help me I don’t understand this

A bus as speed of 20m/s begin to slow at constant acceleration of 8.00m/s2 along a straight line find the average speed for the 5al.s interv

Do you think it is important to study English? Give your opinion and explain why or why not. Paragraph

workout 2 1/4 divide by 3/5

plz plz huty The chart below shows Mrs. Thompson's grocery bill. What is the average amount Mrs. Thompson spent on groceries? A. $52 B. $62 C. $72 D. $310

In the following figure, Show that △BAD≅△BCD. *