Question

Solve : 2x – y = 2 and 8x + y = 20.

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Answer 1

2x – y = 2 ...(1)

8x + y = 20 ...(2)

Adding equation (1) and (2), we get

10x= 22

x=22/10

x=2.2

Substitute the value of x=2.2 in equation (1)

2(2.2)-y=2

4.4-y=2

4.4-2 = y

2.4=y

y=2.4

Answer 2

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Step-by-step explanation:

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