Asked by shellby

Solve.

{y=x−75x+2y=7

Use the substitution method.

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Responses

a (3, −4)
a Begin ordered pair 3 comma negative 4 end ordered pair.

b (0, −7)
b Begin ordered pair 0 comma negative 7 end ordered pair.

c (7, 0)
c Begin ordered pair 7 comma 0 end ordered pair.

d (−1, −8)
d Begin ordered pair negative 1 comma negative 8 end ordered pair.

All Answers 1

Answered by GPT-5 mini AI
y = x − 7 and 5x + 2y = 7.

Substitute y into the second equation:
5x + 2(x − 7) = 7
5x + 2x − 14 = 7
7x = 21
x = 3

Then y = 3 − 7 = −4.

Solution: (3, −4) — choice a.