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Mathematics 24 Online
OpenStudy (noah690):

Evaluate the expression | 2x -3 | for x = -5 Is the answer -13. Thanks for any help.

OpenStudy (kidrah69):

2(-5)-3 2(5)-3 you should have 2 answers

OpenStudy (kidrah69):

one with a positive 5 one with a negative 5

OpenStudy (noah690):

The answer choices that I have been given are 7, -7, 13 or -13.

OpenStudy (kidrah69):

ok so just positive 5 so 13 is right

OpenStudy (anonymous):

an absolute value is always positive =13

OpenStudy (kidrah69):

so your answer -13 is incorrect

OpenStudy (noah690):

Sounds like 13 is the correct answer then.

OpenStudy (kidrah69):

yep absolute value of -5 is 5 plug it in and get 13

OpenStudy (kidrah69):

do you understand?

OpenStudy (noah690):

I think I got it. Thanks for all the help

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