4599324523 4599324523

21-04-2022
Mathematics

contestada

Solve using substitution.

y = –1
2x − y = –1

Respuesta :

saradasapkota9 saradasapkota9

31-07-2022

Answer:

solution:

y=-1_i

2x-y=1_ii

putting the value of equation in in ii then

we get,

2x-(-1)=1

2x=0

X=0/2=0

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