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

What is the inverse of the function f(x)=1/3x-2
What word is unnecessary in the following sentence? "Smith states, 'In one day, the whole world changed.' (Smith 2)." A. whole B. states C. the first Smith
After reclassification in 2005, pluto is no longer classified as a planet because it
Beyond fulfilling legal obligation, a diverse work place offers amy other benefits as well. True or False
Explain two ways in which genetic variation is preserved in a population
are these 2 questions correct
How did king henry viii respond to the protestant reformation?
What aspect of post-world war 2 did Roosevelt and Churchill outline in the atlantic charter?
Using the transformation T: (x, y) (x + 2, y + 1), find the distance named. Find the distance AA'
Minor political parties have most often contributed to us politics by a.causing major parties to adopt their ideas. b.placing their presidential candidates on t