°C = 5/9 (°F - 32)
°C = 5/9 (38 - 32)
= 5/9 (6)
= 30/9 = 3 e 1/3 .
If x is 1, then 23x is 23, so we have 23-1=22 as the answer.
Hope this helps but try to do process of elimination.
No because when -4 is substituted in for n the answer is 37 so it is not true
