Question

What value of y makes the equation below true?

8y-1=31

a)1
b)4
c)8
d)20​

Answer 1

The answer is: 4
We have to isolate the y

Answer 2

4

Explanation:

We have to isolate the y:

8y - 1 + 1 = 31 + 1

8y = 32

8y/8 = 32/8

y = 4