angelinadurfee
angelinadurfee angelinadurfee
  • 01-08-2021
  • Mathematics
contestada

9x+5y=34
8x-2y=-2
What are the values of x and y? Please explain the steps.​

Respuesta :

bjhazael
bjhazael bjhazael
  • 01-08-2021

Answer:

x = 1 and y =5

Step-by-step explanation:

[tex]8x -2y= -2\\Divide by -2\\-4x+y = 1\\add 4x\\y= 1+4x\\[/tex]

Substitute this value of y in the next equation.

[tex]9x+5(1+4x) = 34\\9x+5+20x=34\\29x+5=34\\29x=29\\x=1[/tex]

Solve for y using x.

[tex]y=4x+1\\y=4(1)+1\\y=5[/tex]

Answer Link

Otras preguntas

How do nuclear reactions illustrate conservation of energy and matter?
what is the name of the element of atomic no 114​
What are the causes of waves & tides?
A $20,000 investment earned a simple interest rate of 5.4%. How much interest was earned in one year?
Which of the following would be a philosophy of socialism? A. There is an equal distribution of wealth among individuals. B. It favors a capitalism in which the
Describe the continent of Australia in comparison to the continent of Asia
Which of the following points are NOT solutions to the equation? (Select all that apply.) y=5x−7 (1, -2) (1, 2) (0, 1) (0, -7) (-1, -2) (3, 8)
Question: If each girl used one marshmallow per smore how many marshmallows were used in all? Show your work.
Is the pronoun herself in the following sentence reflexive or intensive? Margaret Mitchell herself spoke at the premiere of Gone with the Wind.
Why did the Southern states not want Congress to tax exports?