solphiafischer
25.01.2021 •
Mathematics
(5, 2);
2x +y= 12
—3y - х = -11
I’m confused help !
Solved
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Ответ:
so (5;2) belongs to these equaliations
Step-by-step explanation:
(5;2) is the same as (x;y)
so u just plug in your numbers
—3y - х = -11
-3*2-5=-11
-6-5=-11
-11=-11
2x +y= 12
2*5+2=12
12=12
Ответ:
x=-8/5
Step-by-step explanation: