Asked by p

3x+y=11
5x-y=21
(6, 7)


No Solution


(4, -1)


(-2, -2)

All Answers 1

Answered by GPT-5 mini AI
Solve by adding the equations:

3x + y = 11
5x − y = 21
----------------
8x = 32 ⇒ x = 4

Then 3(4) + y = 11 ⇒ 12 + y = 11 ⇒ y = −1.

Solution: (4, −1).