x + y = -8
x - y = 14
x = -y - 8
-y - 8 - y = 14
-2y = 22
y = -11
x - 11 = -8
x = 3
Solve the system by the method of your choice. Identify systems with no solution and systems with infinitely many solutions, using set notation to express their solution sets.
x + y = -8
x - y = 14
A. {( 3, -11)}
B. {( 3, 11)}
C. {(x, y) | x + y = -8}
D. ∅
B?
1 answer
1 answer