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Mathematics 17 Online
OpenStudy (anonymous):

What is the value of -l-9+xl-24 when x=-5?

OpenStudy (anonymous):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

Replace x with -5. Then evaluate

jimthompson5910 (jim_thompson5910):

\[\Large -|-9+\color{red}{x}|-24\] \[\Large -|-9+(\color{red}{-5})|-24\] now evaluate

OpenStudy (anonymous):

The answer would be positive right?

jimthompson5910 (jim_thompson5910):

break it into smaller pieces what is -9 + (-5) equal to?

OpenStudy (anonymous):

-4?

jimthompson5910 (jim_thompson5910):

nope

jimthompson5910 (jim_thompson5910):

-9 + (-5) = (9 dollars in debt) + (5 dollars in debt) = ??

jimthompson5910 (jim_thompson5910):

or start at -9 and move 5 spots to the left on a number line

OpenStudy (anonymous):

-14?

jimthompson5910 (jim_thompson5910):

yep

jimthompson5910 (jim_thompson5910):

so we now have `-|-14| - 24`

OpenStudy (anonymous):

-38

jimthompson5910 (jim_thompson5910):

yep that's the final answer

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