20 points if you solve!
question 1
solve by the linear combination method.<...
Mathematics, 04.02.2020 08:02 yasmin7740
20 points if you solve!
question 1
solve by the linear combination method.
8x + 2y = 4
–4x + 3y = –10
(1, 3)
(2, 3)
(1, 2)
(1, –2)
question 2
solve by the linear combination method.
2x + 3y = –17
5x + 2y = –4
(3, –1)
(–2, 2)
(–1, 3)
(2, –7)
question 3
solve by the linear combination method.
3x – 5y = 7
2x + 3y = 30
(3, –7)
(3, 7)
(9, 4)
(–3, –7)
question 4
solve by the linear combination method.
x + y = 50
0.05x + 0.06y = 2.8
(20, 30)
(40, 60)
(10, 30)
(20, –50)
question 5
solve by the linear combination method.
6x – 2y = 2
–3x + 4y = 5
(1, 3)
(1, –2)
(2, 3)
(1, 2)
Answers: 1
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