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25-02-2021
Mathematics

contestada

1.x+y=-7 y=x+1
a.substitution method

b.elimination method

2.x-y=-7 x+5y=-7
a.substitution method

b.elimination method

Respuesta :

obaidalaa974 obaidalaa974

26-02-2021

Answer:

I'm just doing thifor points trooolls

Step-by-step explanation:

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