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Popular Word Problems >

twice the difference of a number and 9 is 3

Solution

tw i ce t h e d i ff ere n ce o f a n u mb er an d 9 i s 3

Solution

The number : 10 \frac{1}{2}

Solution steps

Represent the number with

x

A.T.Q.:

2 (x - 9) = 3

Solve for

x, 2 (x - 9) = 3 : x = \frac{21}{2}

Convert improper fractions to mixed numbers:

\frac{21}{2} = 10 \frac{1}{2}

The number : 10 \frac{1}{2}

Popular Examples

The radius of a circle is 12 ft. Find its circumference in terms of pipi the sum of the ages of a father and son is 76. four years ago, the father was 3 times as old as the son. find the present age of each 9 more than-8 times a number is-7 what sit he result when the number 24 decreased by 50%Eli opened a savings account and deposited 700.00 as principal. The account earns 3% interest, compounded continuously. What is the balance after 8 years?