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Popular >

thrice a number decreased by four is negative twenty one

Solution

thrice a number decreased by four is negative twenty one

Solution

The number : - 5 \frac{2}{3}

Solution steps

Represent the number with

x

A.T.Q.:

3 x - 4 = - 21

Solve for

x, 3 x - 4 = - 21 : x = - \frac{17}{3}

Convert improper fractions to mixed numbers:

\frac{17}{3} = 5 \frac{2}{3}

The number : - 5 \frac{2}{3}

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