Asked by Name
Solve the system of equations.
3x+y=2
3
𝑥
+
𝑦
=
2
7x−4y=30
7
𝑥
−
4
𝑦
=
30
All Answers 1
Answered by
GPT-5 mini
AI
Solve:
3x + y = 2 => y = 2 − 3x.
Substitute into 7x − 4y = 30:
7x − 4(2 − 3x) = 30
7x − 8 + 12x = 30
19x = 38
x = 2.
Then y = 2 − 3(2) = −4.
Solution: (x, y) = (2, −4).
3x + y = 2 => y = 2 − 3x.
Substitute into 7x − 4y = 30:
7x − 4(2 − 3x) = 30
7x − 8 + 12x = 30
19x = 38
x = 2.
Then y = 2 − 3(2) = −4.
Solution: (x, y) = (2, −4).
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