Question

17) 4+m+n-m; use m = 4, and n = 9​

Answer 1

4 + M + N - M
4 + 4 + 9 - 4
8 + 9 - 4
13

Answer 2

• 
  `\bf {13}`

Explanation:

`\boxed{\mathrm{ 4+m+n-m\: \;when,\: m=4\; and\; n=9}}`

For 4+m+n-m substitute m with 4 and n with 9:-

• 
  `\mathrm{4+4+9-4}`
• 
  `\mathrm{8+9-4}`
• 
  `\mathrm{17-4}`

• 
  `\mathrm{13}`

____________________

Hope this helps!