Question

2x-y-4=0,x+y+1=0 substitution method

Answer 1

Answer:

Add

2x-y=4

x+y=-1

_____

3x. =3

x=1

Put x=1 in eq2

1+y=1

y=0

(x,y)=(2,0)

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Answer 2

Answer:

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Step-by-step explanation:

answer is attached in picture..

y = -2

x= 1

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