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15-09-2014
Mathematics

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A numbr increased by 4 is the same as 19 minus 2 times that number (x+4=19-2x) solve for x

Answer :

15-09-2014

[tex]x- number\\\\ x+4=19-2x\ \ \ |Subtract\ x\\\\ 4=19-2x-x\\\\ 4=19-3x\ \ \ |Subtract\ 19\\\\ 4-19=-3x\\\\ -15=-3x\ \ \ |Divide\ by\ (-3)\\\\ x=5\\\\ \textbf{Number\ is\ 5.} [/tex]

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