lillianradecki
11.09.2020 •
Mathematics
5x + 2y = -8
9x - 4y = -22
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Ответ:
10x+4y=-16
+9x-4y=-22
19x=-38
x=-2
5(-2)+2y=-8
-10+2y=-8
2y=2
y=1
(-2,1)
Ответ:
i think it is B
Step-by-step explanation: