marizzle marizzle

21-08-2014
Mathematics

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-4x+7=11 I need some to explain

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konrad509 konrad509

21-08-2014

[tex]-4x+7=11\\ -4x=4\\ x=-1[/tex]

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21-08-2014

[tex]-4x+7=11\ \ \ \ \ \ \ \ \ \ |x's\ on\ the\ left\ free\ numbers\ on\ the\ right\\-4x=11-7\\-4x=4\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |:(-4)\ both\ sides\\x=-1[/tex]

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