denareena97
12.02.2021 •
Mathematics
HELP I HAVE 15 minutes PLEASE HELP
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Ответ:
x = -1, y = 4.
Step-by-step explanation:
y = -x + 3
y = x + 5 Adding these 2 equation eliminates x:
2y = 0 + 8
y = 8/2 = 4.
Substituting for x in the first equation:
4 = -x + 3
4-3 = -x
1 = -x
x = -1.