Question

URGENT PLEASE HELP x + y = 6
x - y = 8
Solve the system of equations.
(1, -7)
(7, -1)
no solution

Answer 1

x + y = 6
x - y = 8
-------------add
2x = 14
x = 14/2
x = 7

x + y = 6
7 + y = 6
y = 6 - 7
y = -1

solution is (7,-1)