Question

Help me vs mngg

Answer 1

`a, 3 > 1 -> m + 3 > n +1`

`b, 3m > 3n -> 3m+2>3n`

`c, m>n -> m+n>n+n=2n`

`d, -> n - 2m < n - 2n = -n`

Answer 2

\(a,m>n\\ 3>1\\ =>m+3>n+1\\ b,m>n=>3m>3n\\ 2>0\\ =>3m+2>3n\\ c,m>n\\ m+n>n+n\\ m+n>2n\\ d,m>n\\ 2m>2n\\ n-2m< n-2n\\n-2m< -n \)