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

Give all solutions if the nonlinear system of equations, including those with no real complex components. y=x^2+6x 4x-y=-24
Your uncle is planting an 8-foot tall tree. He ties support wires to the tree, 1 foot from the top, and ties them to posts on the ground, 4 feet from the trunk
Explain the statement that waves cause both constructive and destructive change to the shore line
a 40 pound box of apples costs $24. What. is the cost of 6 pounds of apples
What is x+y+4x-3x+2y+ 3y
How many electrons are in a carbon 13 (13c) atom?
What is cos P?  Right triangle PQR with a short leg measuring 5, a long leg measuring 12, and the hypotenuse as 13A. 5/12B. 12/13C. 5/13D. 12/5
how do you simplify fractoins
The radius of a bicycle wheel is 12 in. What is the approximate circumference of the wheel?
If a = b + 2, then (b - a)⁴ = ?