If 7 times a number is subtracted from 8, the result becomes equal to 6 times the number. Then find the number.

A number is multiplied by 5 and 25 is subtracted from the product. The result is equal to four times the number itself. Find the number

If one third ofa number is subtracted from three times the number, then the result is 800, find the number.

If 8 is subtracted from seven xx a number the result is six xx the number.Find the number.

If 45 is subtracted from twice the greater of two numbers, it results in the other number. If 21 is subtracted from twice the smaller number, it results in the greater number. Find the numbers.

If 7 is subtracted from five xx a number the result is 63. Find the number.