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Popular >

21is 6 times the sum of 8 and a number

Solution

21is 6 times the sum of 8 and a number

Solution

The number : - 4 \frac{1}{2}

Solution steps

Represent the number with

x

A.T.Q.:

21 = 6 (8 + x)

Solve for

x, 21 = 6 (8 + x) : x = - \frac{9}{2}

Convert improper fractions to mixed numbers:

\frac{9}{2} = 4 \frac{1}{2}

The number : - 4 \frac{1}{2}

Popular Examples

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