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受欢迎的 Word Problems >

A number when doubled results in a number that is 5 more than the original number.

解答

A n u mb er w h e n d o u b l e d res u lt s in a n u mb er t ha t i s 5 m ore t han t h e or i g ina l n u mb er .

解答

The number : 5

求解步骤

Represent the number with

x

A.T.Q.:

x \cdot 2 = 5 + x

求解

x, x \cdot 2 = 5 + x : x = 5

The number : 5

流行的例子

a number that when decreased by 30% is 40 the sum of 2 times a number and 7 is equal to 9 The sum of three numbers is 15. The sum of twice the first number, 5 times the second number, and 6 times the third number is 56. The 差集 between 5 times the first number and the second number is 29. Find the three numbers.Evelyn placed 1,500 in a savings account which earns 5.2% interest, compounded annually. How much will she have in the account after 12 years?54 is 60% of what number? Use the general equation.