Hey there!
I'm going to set up the equation slightly different.
[tex](3)(8)=t+5\\24=t+5\\t+15=24\\t+15-15=24-15\\t = 9 \checkmark[/tex]
Answer:
t = 9
Step-by-step explanation:
3x8 = t + 15
24 = t + 15
t = 24 - 15