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Popular >

a number, times four minus nine, is one

Solution

a number, times four minus nine, is one

Solution

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

Solution steps

Represent the number with

x

A.T.Q.:

x \cdot 4 - 9 = 1

Solve for

x, x \cdot 4 - 9 = 1 : x = \frac{5}{2}

Convert improper fractions to mixed numbers:

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

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

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