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(p+q)-(2p+4q)-5p+6p=

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Bellalesseviz
[tex](p + q) - (2p + 4q) - 5p + 6p[/tex]

[tex]p+q - 2p - 4q - 5p + 6p[/tex]

[tex]-p - 3q + p[/tex]

[tex]3q[/tex]

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