nevaehkb
26.06.2019 •
Mathematics
6x +5y + 10 =0 4x-7y +25 =0 linear combination
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Ответ:
Mayby you should solve this equations.
I. 6x + 5y + 10 = 0
II. 4x - 7y + 25 = 0
2*I - 3*II
31y - 55 = 0
31y = 55
y = 55/31
6x + 5*55/31 + 10 = 0 --> x = -195/62
Ответ:
Solve for x A) 2 B) -10 C) 7 D) -3
Step-by-step explanation:
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