Five times some number is 10 less than the number. What is the number? ======================================== Let x be the number. Five times some number is 10 less than the number. Five times x is 10 less than x. 5 times x is 10 less than x. 5x is 10 less than x. 5x = 10 less than x. 5x = x lessened by 10. 5x = x - 10. Can you solve that? Answer: x = -2.5 Edwin