boxergirl2161
27.01.2020 •
Mathematics
System of substitution
y-9=-x
3x-y=7
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Ответ:
3y - 27 -y = 7
2y = 34
Y = 17
3(x) -17 = 7
3x = 24
X = 8
Ответ:
2. X = 7+y/3
I really hope this helps. :)
Ответ:
only one solution
Step-by-step explanation:
point is (2,9)