Question 213464
{{{q=10-2p}}}
{{{q=20+3p}}}


Set above equations to be equal q=q


{{{10-2p=20+3p}}}


*[invoke explain_simplification "10-2p=20+3p" ]


With p=-2, then q=14=10-2(-2).  ANSWER is p=-2 and q=14.



I hope the above steps were helpful.


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Respectfully,
Dr J