Math, asked by gaikwadshravani54, 19 days ago

7p-3q=27; 5p+4q=7. find (p,q)

Answers

Answered by waleedulhaque3

0

Step-by-step explanation:

7p-3q=27×5

5p+4q=7×7

=35p-15q=135

=35p+28q=49

(35p-15q)-(35p+28q)=135-49

-43q=86

q=-2

then:

put value of q on eq 1

7p-3×-2=27

7p=21

p=3

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