Question

2x-y = 7 x+y=8 by elimination method​

Answer 1

2x-y = 7 -(1)

x+y =8 -(2)

Adding equation (2) and (1)

3x=15

x=5 -(3)

Putting value of (3) in (2)

5+y = 8

y=8-5

y=3

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Answer 2

Answer:

x = 5

y = 3

Step-by-step explanation:

2x - y = 7 -------------1

x + y = 8 -------------2

------------- ( Adding both the equations )

3x = 15

x = 5

putting the value of x in eq. 1

10 - y = 7

y = 3