parris548 parris548
  • 23-10-2018
  • Mathematics
contestada

Use substitution to solve the system.

-4x+3y=-11

y=3x-12

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 23-10-2018

substitute y = 3x-12 into -4x + 3y = -11

-4x +3 (3x-12) = -11

distribute

-4x +9x-36 = -11

combine like terms

5x - 36 = -11

add 36 to each side

5x = 25

divide each side by 4

x = 5

noe we need to find y

y = 3x -12

y = 3(5) -12

  = 15 -12

 y = 3

answer (5,3)

Answer Link
hmdmkeek
hmdmkeek hmdmkeek
  • 24-10-2018
5,3 is the answer njsjdjjsjs
Answer Link

Otras preguntas

Why do some countries have to adopt more than one standard time ?
Let A={2,3} and B= {7,8}.write the power set of AxB.
Let A={2,3} and B= {7,8}.write the power set of AxB.
what is the meaning of NADPH2
What is the tenth term in the sequence 5,8,11,14...?A. 29B.32C. 35D. 38
What do u mean by atmospheric pressure
Which is the number, which when squared and added to 12 becomes seven times its value ?
what is the area of a figure with vertices(1,1), (8,1) , and (5,5)?
how do you add fractions wiyh improper fractions
Why do some countries have to adopt more than one standard time ?