Question

2.
Solve the following simultaneous
(1) x + y = 6 ; x - y = 4​

Answer 1

Add both equations, x + y + x - y = 6+4
=> 2x= 10
=> x= 5
Put in first
=> 5 + y = 6
=> y = 1

Answer 2

Answer:

Step-by-step explanation:

(x+y)+(x-y)=6+4

2x=10

x=5

And y=6-x

y=6-5=1