kyriem kyriem
  • 01-10-2019
  • Mathematics
contestada

00000000
3) y = 5x - 2
x + 4y = 8
Explain:​

Respuesta :

BasketballEinstein
BasketballEinstein BasketballEinstein
  • 02-10-2019

Answer:

[tex][\frac{16}{21}, 1\frac{17}{21}][/tex]

Step-by-step explanation:

{y = 5x - 2

{x + 4y = 8

Use the Substitution Method:

x + 4[5x - 2] = 8

x + 20x - 8 = 8

21x - 8 = 8

+ 8 + 8

__________

21x = 16

____ __

21 21

x = 16⁄21 [Plug this back into both equations above to get the y-coordinate of 1 17⁄21]; 1 17⁄21 = y

I am joyous to assist you anytime.

Answer Link

Otras preguntas

Jimmy spent 22% of all his money to buy a computer game. How much did the game cost, if Jimmy had $200 before buying the game?
solve the inequality 17x is greater than 102
Show that the sum of the reciprocals of three different positive integers is greater than 6 times the reciprocal of their product.
Patient abuse by a healthcare professional is a breach of medical ethics. how are the offenders punished
Help me please ASAP !!!!
Write a little man program that accepts three values as input and produces the largest of the three as output.
If f = 350i - 250j - 450k6 n and cable ab is 9 m long, determine the x, y, z coordinates of point a
Talia took the bus from her home to the bank and then walked back to her home along the same route. The round trip took 0.9 hours total. The bus traveled at an
Given two int variables , firstplacewinner and secondplacewinner, write some code that swaps their values . declare any additional variables as necessary, but d
Reasons why human cloning should not be acceptable..