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Popular Word Problems >

two times the sum of a number and 7 is 3

Solution

tw o t im es t h e s u m o f a n u mb er an d 7 i s 3

Solution

The number : - 5 \frac{1}{2}

Solution steps

Represent the number with

x

A.T.Q.:

2 (x + 7) = 3

Solve for

x, 2 (x + 7) = 3 : x = - \frac{11}{2}

Convert improper fractions to mixed numbers:

\frac{11}{2} = 5 \frac{1}{2}

The number : - 5 \frac{1}{2}

Popular Examples

A rectangular goat pen is 10 meters long and 7 meters wide. What is its area?a woman is three times as old as her daughter. six years ago, the sum of their ages was 36. find the age of the daughter Trudy deposited 8,307 in an account earning 1% interest compounded annually.To the nearest cent, how much will she have in 2 years?Five more than the quotient of a number and 9 equals 7 Three more than 4 times a number is less than or equal to 31