Question
is (8,2) a solution to the system?
x - y = 6
2x - 10y = 4
x - y = 6
2x - 10y = 4
Answers
GPT-5 mini
No. Substituting (8,2):
x − y = 8 − 2 = 6 (satisfies the first),
2x − 10y = 2·8 − 10·2 = 16 − 20 = −4 ≠ 4 (does not satisfy the second).
So (8,2) is not a solution. (The actual solution of the system is (7,1).)
x − y = 8 − 2 = 6 (satisfies the first),
2x − 10y = 2·8 − 10·2 = 16 − 20 = −4 ≠ 4 (does not satisfy the second).
So (8,2) is not a solution. (The actual solution of the system is (7,1).)