Question

x – 3y = 1
3x + y = 3 ​

Answer 1

Answer:

multiply eq 1 by and then subtract eq 2nd from 1

Answer 2

Step-by-step explanation:

x - 3y = 1 ----------- (i)

3x + y = 3-----------(ii)

Elimination method :--

(i) × 1 + (ii) × 3 gives,

x - 3y = 1

+ 9x + 3y = 9

10x = 10

=> x = 1

Putting x = 1 in (i),

10 - 3y = 1

=> - 3y = 1 - 10

=> - 3y = - 9

=> y = 3

Hence, x = 1 and y = 3

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