notsomathwiz
notsomathwiz
21-01-2016
Mathematics
contestada
Solve for x: −3|x + 7| = −12
Respuesta :
ayah1
ayah1
21-01-2016
-3Ix + 7I = -12 (divide -3 from each side)
Ix + 7I = -12/3
Ix + 7I = -4
x + 7 = -4
or
-x - 7 = -4
x = -11
or
-x = 3
x = - 3
x = -3 or -11
Answer Link
Billymkhoi
Billymkhoi
21-01-2016
-3|x+7|= -12
⇒ |x+7|= -12/(-3)
⇒ |x+7|= 4
⇒ x+7= 4 or x+7= -4
⇒ x= 4-7 or x= -4 -7
⇒ x= -3 or x= -11
Final answer: x= -3 or x= -11
~
Answer Link
VER TODAS LAS RESPUESTAS ( 74+ )
ACCESS MORE
ACCESS MORE
ACCESS MORE
ACCESS MORE
Otras preguntas
Mia walks up to a claw machine with a pocket full of quarters. the equation y = −2x 10 models the number of quarters she has after x minutes.
how can organizations having to adopt emerging technologies use the diffusion of innovations theory to help in that process.
the maxtell corporation desires to gain access to the chinese and indian markets. the firm conducted marketing research and found some key information related t
Select all the equations that have no solution. A. x + 6 = 5 + x B. -2(x - 3) = -2x + 6 C. 4 - 4x = 3x + 2 D. 4(x + 1) = 3(x + 2) E. 5 - 3x = -3x + 4
what are some of the xerophytic adaptations that plants make to survive in the desert biome? select all that apply. group of answer choices
In puritan society, the ____ established the governing laws. church ministers male hierarchy governor congregation
investing activities include cash transactions involving the purchase and sale of long-term assets and current investments. group startstrue or falsetrue, unsel
What is going to be this person's first stop? the pizza place the supermarket the mall the jewelry store
database design is a(n) _____ process based on repetition.
what will happen to prices (p) and unemployment (u), when the when the federal reserve bank lowers the reserve ratio (increases the r)?
