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

In chapter 7 'Animal Farm', why does George Orwell most likely choose to make the sheep the most loyal followers of Napoleon in the story? A. Sheep are traditio
A typical tip at a restaurant is 18% of the total bill. If the bill is $60, what would the typical tip be? The typical tip would be $_________.
what is the big Apple known as​
Please help me solve this math problem
How many solutions does the nonlinear system of equations graphed below have? O A. Two O B. Zero C. One O D. Four
Rhode Island differed from other states holding conventions regarding the Constitution’s ratification in that A. it voted against ratification. B. it did not
In exchange for the national government assuming all of the state’s debts, the Southern states who were opposed to assuming the debts, were awarded what?
Write the factors of polynomial 4x^2+y^2+4xy+8x+4y+4.
the family help one another during this pandemic for ____​
Explain; "Research in new media"