Question

6p+ 4q- r +3; 2r- 5p-6; 11q-7p+2r-1; 2q- 3r+4
​

Answer 1

Answer :-

$\rm \: - 6p + 17q$

Step-by-step-explaination :-

$\rm \: 6p + 4q - r + 3;2r - 5q - 6;11q - 7p + 2r - 1;3r + 4$

Arranging the like time together,

$\rm {\tt \leadsto}(6p - 5p - 7p);(4q + 11q + 2q);( - r + 2r + 2r - 3r);( + 3 - 6 - 1 + 4)$

$\rm {\tt \leadsto} - 6p + 17q( -4 r + 4r); ( + 7 - 7)$

$\rm {\tt \leadsto} - 6p + 17q$

Now as P and Q are not like terms so, it can't be simplified any more.