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Popular Word Problems >

3 times the sum of 8 times a number x and 77 is equal to 45

Solution

3 t im es t h e s u m o f 8 t im es a n u mb er x an d 77 i s e q u a l t o 45

Solution

The number : - 7 \frac{3}{4}

Solution steps

Represent the number with

x

A.T.Q.:

3 (8 x + 77) = 45

Solve for

x, 3 (8 x + 77) = 45 : x = - \frac{31}{4}

Convert improper fractions to mixed numbers:

\frac{31}{4} = 7 \frac{3}{4}

The number : - 7 \frac{3}{4}

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