Subtract the sum of 3p+q-r and 15p4qx-8r from the difference of 10p from 5p-q+8r
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Answer:
r-13p-4q
Step-by-step explanation:
(10p-5p+q-8r)-(3p+q-r+15p+4q-8r)
=5p+q-8r-18p-5q+9r
=r-13p-4q
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