Question

A number consists of two digits whose sum is 8. If 54 be
subtracted from the number. The digits are reversed. Find
the number.​

Answer 1

Step-by-step explanation:

here is your answer

once try to solve it yourself

Answer 2

Answer:

unit's digit = x

ten's digit = 8 - x

10(8 - x) + x - 54 = 10x + 8 - x

80 - 10x + x - 54 = 9x + 8

26 - 9x = 9x + 8

26 - 8 = 9x + 9x

18 = 18x

x = 1

so the number is 71