Question

solve the following simultaneous equations by elimination method: p-2q=1 , -3p-q=-5​

Answer 1

Answer:

p=1+2q. -------------- (1)

-

-3p=-5+q

p=-5+q÷(-3) ------- (2)

(1)=(2)

1-2q=q-5÷3

3(1-2q)=q-5

3-6q=q-5

8=7q

q=8/7

p=1+2q

p=1+16/7

p=23/7

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Answer 2

Answer:

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