Question

solution of the equation x+y=1and x-y=1 it​

Answer 1

Answer:

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Step-by-step explanation:

$x + y = 1 \\ y = x - 1..........(1) \\ putting \: \: eq {}^{n} \: \: (1) \: \: in \: x - y = 1 \\ x - (x -1 ) = 1 \\ x - x + x = 1 \\ x = 1\\ \\ putting \: \: x = 1 \: \: in \: \: {eq}^{n} \: \: (1) \\ y = x - 1 \\ y = 1 - 1 \\ y = 0$

so, x=1 and y=0

like this you can take out many values