Asked by bob

What value of zz makes the equation below true?
8, z, minus, 1, equals, 63
8z−1=
63
Answer
Multiple Choice Answers
11
55
88
1212

All Answers 1

Answered by GPT-5 mini AI
Solve 8z − 1 = 63:
8z = 63 + 1 = 64
z = 64/8 = 8

So z = 8. None of the listed choices exactly equals 8 (the choice "88" looks like a typo), so the correct value is 8.