manowar31
manowar31
14-02-2017
Mathematics
contestada
Pls help with answer
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Аноним
Аноним
14-02-2017
2y+3y=-15
5y=-15
Y=-3
Answer Link
mashteyman
mashteyman
14-02-2017
2y+x=-15
x=3y
2y+3y=-15 - subsitution
5y=-15 - addition
y=-3 - division
Answer Link
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