Question

11^log11(x-y)=2 2^2x+y=16
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Answer 1

11^log_11(x-y)=11^log_11(2)
log_11(x-y)=log_11(2)
x-y=2
x=2+y
2^2x+y=16
2^2x+y=2^4
2x+y=4
2*(2+y)+y=4
4+2y+y=4
y=0
x=y+2
x=2