4x - 2y =7 X + 2y =3 What are x and y ??
Mathematics · College · Wed Jan 13 2021
llm
Answered on
We have,
4x - 2y =7 …1
X + 2y =3 …2
By elimination method :
Adding equation 1 and 2, we get
4x - 2y + x + 2y = 7 + 3
5x = 10
x = 10/5
x = 2
Putting value of x in equation 2, we get
2 + 2y = 3
2y = 3 - 2
y = ½