Answer:
8*7.875-1=63
I took the quiz
63
Explanation:
Basically [x=8] when a letter (x) is directly by a number.
(8 × 8) - 1 = 64 - 1 = 63
8 × ? = (8 × 8) and 8 as in (x) then you can finish the question.
5.8m questions
7.5m answers