Question

2x-y=4 and x-y=-1 by elimination method​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

First we have to put in proper way

2x - y = 4 (1)

x - y = 1 (2)

adding equations 1 and 2

2x - y = 4

x - y = 1

+ + _

3x = 3

x = 3 /3

x = 1

putting in equation 1

2x - y = 4

2 × 1 - y = 4

2 - y = 4

y = 4 - 2

y = 2

THEREFORE x = 1 , y = 2