Question

Slove by elimination method x+2y=5 2x+y=4​

Answer 1

Answer:

x=1

y=2

Step-by-step explanation:

x+2y=5 ......(1)

2x+y=4 ......(2)

multiplying (1) by 2 we get

2x+4y=10 .......(3)

Now subtracting (2) from (3) we get

3y=6

y=2

substituting this value in (2)

2x+2=4

2x=4-2=2

x=1

Answer 2

Step-by-step explanation:

x + 2y = 5 —---------α

2x+ y =4 ---------------β

Multiply 2 in equation α

we get,

2x + 4y = 10

2x + y = 4

------------------- ( subtract both we equations)

3y = 6

y = 2

put value of y in equation α ,we get

x = 1

x = 1 and y = 2

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