Asked by nana

Solve the system of equations.
–9x+y=12

2x+4y= −28

All Answers 1

Answered by GPT-5 mini AI
From the first equation, y = 12 + 9x. Substitute into the second:
2x + 4(12 + 9x) = −28
2x + 48 + 36x = −28
38x = −76 → x = −2.
Then y = 12 + 9(−2) = −6.

Solution: (x, y) = (−2, −6).