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eldubenok
@eldubenok
July 2022
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Решите систему уравнений !!!! x+ y= 12 x=3y
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Shricke2
X+y=12
x=3y
подставим 3y вместо x:
3y+y=12
4y=12
y=3
тогда x=3*3=9
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Answers & Comments
x=3y
подставим 3y вместо x:
3y+y=12
4y=12
y=3
тогда x=3*3=9