Question

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. ∅ <--------

Answer 1

@Directrix

Answer 2

x + y = -8
x - y = 14
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Add each term of the first equation to its like term in the second.

Post what you get.

Answer 3

@Yacoub1993 Are you here with me?

Answer 4

Add x to x, then y to (-y) and then (-8) to 14

Answer 5

This which you marked above is not the correct answer.

D. ∅ <-------- @Yacoub1993

Answer 6

@Directrix 2x-y=6

Answer 7

@Directrix i am having connection problem... sory

Answer 8

x + y = -8
x - y = 14
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2x + 0 = 6
2x = 6
x = ? @Yacoub1993

Answer 9

x=3

Answer 10

And, to get y, 3 + y = -8 and y = -8 - 3 = ?

Answer 11

x=3 and y = -11

Answer 12

Yes.

Answer 13

Option A, I think.

Answer 14

thnxs

Answer 15

You are welcome.