add
6p+4q-r+3,2r-5p-6,11q-7p+2r-1and2q-3r+4
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HOPE it helps!!!!!!✌️✌️✌️
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take like terms together
=6p-5p-7p+4q+11q+2q+(-r)+2r+2r-3r+3-6-1+4
= -6p+17q
=6p-5p-7p+4q+11q+2q+(-r)+2r+2r-3r+3-6-1+4
= -6p+17q
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