broach605
30.04.2021 •
Mathematics
PLEASE HELP ME ASAP
Solve the system of equations below.
-3x+6y=9
5x+7y=-49
A. (-2,-7)
B. (-2,1/2)
C. (-7,-2)
D. (1,-2)
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Ответ:
2=20
4=40
6=60
8=80
10=100