clarissa0811ou3f8i clarissa0811ou3f8i

03-08-2017
Mathematics

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solve the system of equations using elimination. 3p+9q=6 5p-5q=30

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dpokharnaotzjgn dpokharnaotzjgn

03-08-2017

45p-45q=270
15p+45q=30

Solving this will get 60p=300 so p=5
Plug it in and we get 15+9q=6 so q=-1

The answer is p=5 q=-1

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JessicaDaggett16 JessicaDaggett16

03-08-2017

3p+9q=6
5p-5q=30

3(5)+9(-1)=6
15-9=6✔

5(5)-5(-1)=30
25+5=30✔

p=5
q=-1

Answer Link

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