codyboyce98 codyboyce98

17-02-2015
Mathematics

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If 2 is subtracted from a number and this difference is tripled, the result is 8 more than the number.?

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17-02-2015

[tex]x-\ number\\\\ 3(x-2)=x+8\ \ \ | omit\ the\ bracket\\\\ 3x-6=x+8\ \ \ | subtract\ x\\\\ 2x-6=8\ \ \ \ | add\ 6\\\\ 2x=14\ \ \ | divide\ by\ 2\\\\ x=7\\\\ Number\ is\ 7.[/tex]

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