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

Transcription and translation of the mrna molecule in protein synthesis occurs in two different locations. translation occurs _____.
You are assessing a victim of a gunshot wound to the head. her eyes are​ open, but she does not follow or track any movement.
What is Atlas and why do we call the geography map is Atlas?
∠ABC≅ A. ∠NMP B. ∠MNP C. ∠NPM D. ∠PMN
PLEASE SEE THIS CHECK IF ITS RIGHT!
According to developmental psychologist k. warner schaie, verbal ability rises until about the start of the __________ and then stays fairly steady.
NEED HELP IN MATH . THANKS FOR ALL HELP .
I need to evaluate the derivative of the function and find the answer
_______ sailed to many parts of the world for china..
please do it fast......