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פּוֹפּוּלָרִי Word Problems >

The sum of two numbers is zero. One number is nine less than the other. Find the numbers.

פתרון

T h e s u m o f tw o n u mb ers i s zero . O n e n u mb er i s nin e l ess t han t h e o t h er . F in d t h e n u mb ers .

פתרון

The numbers : - 4 \frac{1}{2}, 4 \frac{1}{2}

צעדי פתרון

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 0

x = y - 9

x + y = 0, x = y - 9 : x = - \frac{9}{2}, y = \frac{9}{2}

הסב שבר מדומה למספר מעורב:

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

הסב שבר מדומה למספר מעורב:

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

The numbers : - 4 \frac{1}{2}, 4 \frac{1}{2}

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