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

Settlement where religion was taught?
How do I put 0.924 in two other forms
Evaluate the related series,of each sequence -9,-16,-23,-30,-37,-44
what are bubbling leaves and molten rock called from a volcano
which of the following fractions does not name the same point on the number line? a.3/4 b.6/8 c.5/6 d.9/12
When you use the distance formula, you are calculating the length of the (fill in blank) of a right triangle
Summarize the role of technology in efforts to explore space.
The movie theater has 250 seats 225 seats were sold for the carriage showing what percent of seats are empty?
Describe what you might see if gravity suddenly disappeared?
cara untuk memperkuat posisi ekonomi negara dikawasan asia tenggara