miranda160322015 miranda160322015
  • 03-11-2021
  • Mathematics
contestada

Solve the following system of equations . y = - x + 7, \qquad 4x - 5y = 10 Write your answer as an ordered pair in the form(x,y)

Respuesta :

kailemontefalco
kailemontefalco kailemontefalco
  • 03-11-2021

Answer:

(5, 2)

Step-by-step explanation:

Lets substitute y = -x + 7 into 4x-5y=10

Then we can write 4x-5y=10 as 4x-5×(-x+7)=10,

4x-(-5x)-35=10

9x-35=10

9x=45

x=5, therefore, y= -5+7=2

Answer Link

Otras preguntas

How do i write a word phrase for 2/3y 4?
What is voltage? A. It is the sum of the electrical potential energy in two places in an electric field. B. It is the flow of an electric charge in only one dir
What is -0.8a-8=0.2a ?
How do i write a word phrase for 2/3y 4?
What is the "dia de los santos inocents?
If you knew that f(-4)=8, then what (x,y) coordinate point must lie on the graph of y=f(x)?
name some proteins that are made at ribosomes.
The camping club wants to rent rafts. each raft can hold 8 people. which equation could be used how many rafts needed for 32 people?
During what phase do sister chromatids separate ?
What is the nth term in the arithmetic sequence when the sequence is: 6,10,14,18 (I need the expression)