Question

Where do this numbers come from for example, solve the following simultaneous equation
X+y=5 (1)
X-y=1 (2)
So where do this numbers in brackets come from..?

Answer 1

Answer:

x=3 y=2

Step-by-step explanation:

1) x+y=5

=3+2=5

2) x-y=1

=3-2=1