bangtantea bangtantea
  • 16-11-2016
  • Mathematics
contestada

solving systems of equations with substitution:
y= 2x-4
y= -x+5

help please!

Respuesta :

Аноним Аноним
  • 16-11-2016
y= 2x-4 
y= -x+5
so

2x-4 = -x+5
2x +x = 5 +4
3x = 9
x =3

y = 2x-4
y =2(3) - 4
y = 6-4
y = 2

answer: (3,2)
Answer Link

Otras preguntas

How many significant figures are in the number 307? 080?
What word describes the relationship between oppsite angles of a parallelogram?
A test has 10 true/false questions. How many different tests can be turned in to the teacher?
Tourist: "How many birds and lions do you have in your zoo?" Zookeeper:"There are 30 heads and 100 feet." Find the number of each animal. I need to know how to
what is 307,495 rounded to the nearest thousand and how do I figure it?
what is the PE of a 10 kg box that drops 10 meters?
Tourist: "How many birds and lions do you have in your zoo?" Zookeeper:"There are 30 heads and 100 feet." Find the number of each animal. I need to know how to
y=2x+1 find the slope and y-intercept
y=2x+1 find the slope and y-intercept
Find all zeros (both real and complex) for the function f(x)=x^3-5x^2+4x+10