Question

Solve the following pair of linear equations by elimination method: x + y = 5 and 2x – 3y = 4

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Answer 1

Answer:

2(x+y=5)

2x-3y=4

2x-3y=4

2x+2y=10

(-). (+). (-)

-5y = -6

y=6

5

x+y=5

x+6=5

5

x=6-6

5

x= 25-6

5

x= 19

6

Hence,x=19 and y=6 .

6 5