Question

What is X if 8-1 X = ( 4 )-1?
10​

Answer 1

Answer:

5

Explanation:

8-1 (X) = (4) - 1

8-1 (X) = 3 --------(1)

here, X is something which can be subtracted from 8 to get answer 3.

we know that 8-5 = 3.

so ,

applying 5 as value of X in equation (1)

8-1 (5) = 3

8-5 = 3