Substitution method. not sure where to even start to my kid
[tex]x + 5y = 4 \\ 3x + 15y = - 1...
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Mathematics, 23.10.2019 04:00 monsterduckgoose
Substitution method. not sure where to even start to my kid
![x + 5y = 4 \\ 3x + 15y = - 1](/tex.php?f=x + 5y = 4 \\ 3x + 15y = - 1 )
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