Question

xy=2 and x-y=7/2
Solve this simultaneous equation

Answer 1

Step-by-step explanation:

x+y=2 ----- (1)

2x−y=7 ----- (2)

___________________

3x=9

x=

3

9

=3

Put the value of x in equation (1), we get

x+y=2

3+y=2

y=2−3

y=−1

Therefore the solution is (3,−1)