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Translate the sentence into an equation.:The sum of 4 times a number and 3 is 9:Use the variable x for the unknown number.

Solution

Translate the sentence into an equation.:The sum of 4 times a number and 3 is 9:Use the variable x for the unknown number.

Solution

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

Solution steps

Represent the number with

x

A.T.Q.:

4 x + 3 = 9

Solve for

x, 4 x + 3 = 9 : 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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