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Popular >

a number added to thrice the sum of the number and 4 is 18

Solution

a number added to thrice the sum of the number and 4 is 18

Solution

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

Solution steps

Represent the number with

x

A.T.Q.:

x + 3 (x + 4) = 18

Solve for

x, x + 3 (x + 4) = 18 : x = \frac{3}{2}

Convert improper fractions to mixed numbers:

\frac{3}{2} = 1 \frac{1}{2}

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

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