16х-8y=8
8x+y=11
2x-y=1
+
2x-y+8x+y=1+11
10x=12
x=1.2
8*1.2+y=11
y=11-9.6
y=1.4
Ответ:х=1, y=1
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16х-8y=8
8x+y=11
2x-y=1
+
8x+y=11
2x-y+8x+y=1+11
10x=12
x=1.2
8*1.2+y=11
y=11-9.6
y=1.4
Ответ:х=1, y=1