Question

p=3p+q-r,q=15p+4q-8r R=5p-q+8r then find 1 p+q+r 2 p+q-r step by step sol. pls ​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Given

p = 3p + q - r

q = 15p + 4q - 8r

r = 5p - q + 8r

Find

1p + q + r + 2p + q - r

1(3p+q-r)+(15p+4q-8r)+(5p-q+8r)+2(3p+q-r)-(5p-q+8r

3p+q-r+15p+4q-8r+5p-q+8r+6p+2q-2r-5p-q+8r

3p+15p+5p+6p-5p+q+4q+2q-2q-r-8r+8r-2r+8r

24p+5q+5r