Question

What is the solution to this system of linear equations? x + y = 4 x − y = 6

Answer 1

X+y = 4, therefore y = 4-x when you rearrange the equation.
You can subsitute this in: x-(4-x) = 6
-4+x = 6-x
x=10-x
2x = 10
x = 5
Substitute x into the previous equation:
5+y = 4
y = 4-5
y = -1

Answer 2

Answer:

(5, −1)

Step-by-step explanation: