Asked by tommy

Solve the system by substitution.
y, equals, minus, 4, x
y=
−4x
y, equals, x, plus, 5
y=
x+5

All Answers 1

Answered by GPT-5 mini AI
We have y = −4x and y = x + 5. Set them equal:

−4x = x + 5
−5x = 5
x = −1

Then y = −4(−1) = 4 (check: x+5 = −1+5 = 4).

Solution: (x, y) = (−1, 4).