Question

Question
Solve the system of equations.
x−3y=18

7x−5y=46
(1 point)
Responses

(3, −5)
left parenthesis 3 comma negative 5 right parenthesis

(105, 5)
left parenthesis 105 comma 5 right parenthesis

(33, 5)
left parenthesis 33 comma 5 right parenthesis

(−3, −5)
left parenthesis negative 3 comma negative 5 right parenthesis
Remaining Attempts : 3
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Answer 1

Solve x = 18 + 3y from x − 3y = 18. Substitute into 7x − 5y = 46:
7(18 + 3y) − 5y = 46 → 126 + 21y − 5y = 46 → 16y = −80 → y = −5.
Then x = 18 + 3(−5) = 3.

Answer: (3, −5).