princessnize00 princessnize00
  • 01-07-2021
  • Mathematics
contestada

use the substitution method to find the value of y in the given system of equations y=2x+5 x+y=4

Respuesta :

laksh4904gehani
laksh4904gehani laksh4904gehani
  • 01-07-2021

Answer:

y = 13/3

Step-by-step explanation:

substitute y=2x+5 in x+y = 4

x+2x+5 = 4

3x+5=4

3x= -1

x= -1/3

substitute x= 1-/3 in x+y = 4

-1/3 +y = 4

y = 13/3

Answer Link

Otras preguntas

Find the equation of a line whose slope is 2/5 and y- intercept is 2.write your answer in the form 1) ax+by+c=02) x/a+y/b=1
Manny bought 12 pounds of vegetables at the supermarket. 75% of the vegetables were on sale. How many pounds of vegetables were not on sale? 98 POINTS :)
100mg magnesium reacts with 20ml of 1.0M hcl
help please !!!!!!!!!!!!!!!
Researchers randomly divide participants into groups. Each group takes a different amount of omega-3 fatty acid supplements daily for a month. One group receive
A survey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, etc.). Based on the surv
What is the x-intercept and y-intercept of the equation 2x+1. 2O POINTS!!!!!!
Can someone check if I did this right since I really want to make sure it’s correct. If you do thank you so much
X-5y=-49 and y=-2x+1
what is 2+n=16 give me example