lilGi0
25.01.2020 •
Mathematics
Need asap
which is a solution to the equation 5x – y = –3?
a.
(1, 2)
b.
(–2, 7)
c.
(2, –7)
d.
(–2, –7)
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Ответ:
D. (-2,-7)
Step-by-step explanation:
5x - y = - 3
If (1,2), 5 - 2 = 3
If (-2,7), - 10 - 7 = - 17
If (2,-7), 10 + 7 = 17
If (-2,-7), - 10 + 7 = - 3
Ответ: