ma3ridgaralyat
ma3ridgaralyat
02-02-2016
Mathematics
contestada
19x – y – 2z + x + 5y + 2z
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Exvited
Exvited
02-02-2016
[tex]19x - y - 2z + x + 5y + 2z \\ \\ (19x + x) + (-y+5y) + (-2z + 2z) \ / \ gather \ like \ terms \\ \\ 20x + 4y \ / \ simplify \\ \\ Answer: \fbox {20x + 4y} [/tex]
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