andrewmj2002 andrewmj2002

18-01-2016
Mathematics

contestada

6x-2x-9=7 solve for X there both the same sumber

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Billymkhoi Billymkhoi

18-01-2016

6x -2x -9= 7
⇒ 4x -9= 7
⇒ 4x= 7+ 9
⇒ 4x= 16
⇒ x= 16/4
⇒ x= 4

Final answer: x=4~

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