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.

Answer :

konrad509 konrad509

29-03-2015

[tex]-(-(-(-(-10x))))=-5\\ -10x=-5\\ x=0.5 \Rightarrow A[/tex]

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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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