please solve this problem
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One by one put the digits in the place of x or y like 1 (0,-1)......in.... 2x-y-1=0 put 0 in place of x or - 1in place of y....... AS
2(0)-(-1)=0
2(0)+1=0
0+1=0
1 is not equal to 0 so the answer is No
The equation in which the L.H.S and R.H.S are equal then the answers is yes
2(0)-(-1)=0
2(0)+1=0
0+1=0
1 is not equal to 0 so the answer is No
The equation in which the L.H.S and R.H.S are equal then the answers is yes
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