Question

solve.. x+y=7 ; X-y-3.​

Answer 1

Answer:

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Answer 2

Answer:

x+y=7

x=7-y let equation 1

x-y-3

x-y=3 equation 2

putting the value of equation 1 in equation 2

x-y=3

7-y-y=3

-2y= -4

y=2

putting the value of y in equation 2

x-y=3

x-2=3

x=1