lizzyboo32
29.12.2020 •
Mathematics
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Ответ:
(-6,7)
Step-by-step explanation:
4x+4y=4
(3x+4y=10)-1
4x+4y=4
-3x-4y=-10
x=-6
4(-6)+4y=4
-24+4y=4
4y=28
y=7
(-6,7)