Question

If the 3x - 5y = -1 , x - y = -1 find x

Answer 1

Here,

3x - 5y = -1 ----- ( i )

Also

x - y = -1

or y = x + 1 ---- ( ii )

Putting this value of y from ( ii ) into ( i )

3x - 5(x + 1) = -1

3x - 5x -5 = -1

-2x = 4

x = -2

Answer 2

-2 is the answer

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