calacool calacool

29-03-2015
Mathematics

Answered

-(-(-)(-)(-10x))=-5 solve for x

A

X=.5

B

X=.7 repeating

C

X=-.5

D

X=1

Show Your Work.

Verified Answer :

konrad509 konrad509

29-03-2015

\(-(-(-(-(-10x))))=-5\\ -10x=-5\\ x=0.5 \Rightarrow A\)

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pedrammath pedrammath

29-03-2015

heres a quick tip In these kind of Questions count the number of "-" and if they are odd then your answer will be -X if it is even the the anwer will be +X (X can be any number) so the answer will be like

-10x=-5---->x=-5/-10--->x=5/10--->x=1/2--->x=0.5

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