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

My father was known as Light Horse Harry.
How are expressed powers and implied powers related
What is the reciprocal of the number -3/5 ?
Why Do People Have Back Dimples?
Which element is classified as a nonmetal? (1) Be (3) Si (2) Al (4) Cl
What is the domain and range of y = x+1/x-1
Which group of nuclear emissions is listed in order of increasing charge? (1) alpha particle, beta particle, gamma radiation (2) gamma radiation, alpha particle
jacere : interject :: A. volvere : avail B. valere : convalesce C. salire : accelerate D. currere : care
Zuri made 2 spheres using plaster. The smaller sphere has a radius of 6 cm. The larger sphere has a radius of 24 cm. How much more plaster did Zuri use for the
Trapezoid WKLX has vertices W(2, −3), K(4, −3), L(5, −2), and X(1, −2). Trapezoid WKLX was reflected across the y-axis to produce trapezoid WꞌKꞌLꞌXꞌ. Which coor