help it’s also not D :)

Answer:
the answear is c
Step-by-step explanation:
i learnt in class that the number with the letter is used to divide what it equalls
Answer:
C
Step-by-step explanation:
Step 2 is correct, that is
8x = 10 ( divide both sides by 8 ), error made here by dividing by 10
x = [tex]\frac{10}{8}[/tex]
x = [tex]\frac{5}{4}[/tex]
The error was made at step 3