melaniecalderon melaniecalderon
  • 01-03-2021
  • Mathematics
contestada

Graph. Identify the solution:
1) x + y = 2
X-y=4

Respuesta :

tm175805 tm175805
  • 01-03-2021
(3,1) and hope this helps
Ver imagen tm175805
Answer Link
xinjacklei08 xinjacklei08
  • 01-03-2021

Answer:

X=3 y=-1

Step-by-step explanation:

X+y=2

X-y=4

so that means

y=X-4

substitute it in

X+X-4=2

2x-4=2

2x=2+4

2x=6

x=3

3+y=2

3+-1=2

y=-1

ways to check

3--1=4

double minus equal plus

3+1=4

Answer Link

Otras preguntas

Look at the map into different options with the country indicated on the map
(03.02 LC)Which of the following correctly describes the Law of Conservation of Energy? Energy can be created but cannot be destroyed. Energy cannot be create
Solve the following inequality. Then place the correct number in the box provided. 3x < 18
Find the value of each variable. Explain reasoning and clearly identify answer. Need help with geometry home work.
Select the correct answer.What does the letter q stand for in the Hardy-Weinberg equation?QA.the frequency of the recessive allele in a populationO B.the freque
50 POINTS! NEED HELP ASAP! Which logarithmic graph can be used to approximate the value of y in the equation 3y = 8? (6 points)
Which number below represents an African country that was founded by former slaves?
PLEASE HELP I NEED HELP!!
What is ethnoarchaeology
The IPhone 7 costs about $220 for Apple to make, but they cost about $700 in stores. What is the markup percentage of the IPhone 7? (Round to the nearest