Question

5p+q=2and 6p-3q=1
By elimination method

Answer 1

Answer:

Step-by-step explanation:

Hii

......

Gm..........

Acc to que eq 1 is multiply by3 and eq2 by 1

6p-3q=1

15p+3q=6

.......................

21p=7

P=1/3

Put the value in eq1

5p+q=2

5×1/3+q=2

5+3q=6

q=1/3

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Answer 2

Answer:

5p+q=2..................1

6p-3q=1..................2

Multiply eqn 1 by 3

We get

15p+3q=6............1

Now adding,eqn 1 and 2 we get

21p=7

P=7/21

P=1/3

Putting value of p in equation 1

We get

5p+q=2

5*1/3+q=2

5/3+q=2

q=2-5/3

q=1/3

Therefor value of p=1/3

Value of q =1/3