rebelzane1
rebelzane1 rebelzane1
  • 02-02-2018
  • Mathematics
contestada

What is the value of x?
3(4 + 3x) 2(2x - 7)
(Those are all what my teacher gave me)

Respuesta :

AnimeBrainly
AnimeBrainly AnimeBrainly
  • 02-02-2018
3(4 + 3x) = 

distribute the 3 to both 4 and 3x

12 + 9x


2(2x - 7) = 

distribute the 2 to both 2x and -7
 
4x - 14

12 + 9x = 4x - 14

12 (-12) + 9x (-4x) = 4x (-4x) - 14 (-12)

5x = -26

5x/5 = -26/5

x = -26/5

hope this helps
Answer Link

Otras preguntas

The Apology of Socrates What are the ultimate consequences of his responses to the Athenian court?
what is the area of a triangle with base 5cm and height 6cm
Which parts of this excerpt from Christopher Marlowe’s The Tragical History of Doctor Faustus bring out the theme of forbidden knowledge?
monkey throws a banana horizontally from the top of a tree .The banana hits the ground 3 second later and 30 meter from the base of the tree...... 1. How fast
12 pillows were made from 16 yards of fabric. How munch fabric was used to make each pillow? Between what two whole numbers does your answer lie?
Select all that apply. Receptors that provide animals with information from the external environment are located in the _____. ears skin blood vessels joints to
The very first printing press was invented in 1400s, but more advanced models, were invented in 1600s, What importance do think these machines have on the scien
why photosynethis and respiration are alike in they both
What is 123.08÷34 and how do I get the answer I'm stumped what are the steps to get the answere
I need help answer eight nine and ten