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 sum of the measures of the two angles of a linear pair must be
This table represents a function named f. Which of the choices also represents the function, F?
Due to deforestation in Africa, the population of tana river red Columbus monkeys is decreasing by 9.6 % every year. These are currently only 1000 colobus monke
20 POINTS + BRAINLIEST FOR BEST AWNSER A molecule with the formula C6H12O6 would probably exhibit which of the following characteristics? (3 points) Molecules
1. How are each of Newton’s Laws of motion demonstrated in the flight of an airplane? Newton’s Law of Inertia: Newton’s Law of Acceleration: Newton’s Law of Act
I need to know how to do literal equations because a test is in two days. What do I do?
What is a medium? A. someone who communicates well with others B. a way to present information C. something not too hard or too easy D. a clothing size
What is the code for Pong that would work on Khan Academy?
the LCM of 5 and 8 is _____.​
can someone help me ​