meganwintergirl
19.12.2019 •
Mathematics
X+7y =-5
-x+y=-3
solve the system of linear equations
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Ответ:
x=2
y=-1
Step-by-step explanation:
x+7y=-5
+║
-x+y=-3
8*y=-8
y=-8/8
y=-1
-x-1=-3
-x=-3+1
-x=-2
x=2
Ответ:
a then e
Step-by-step explanation:
hope it helps