Question

If (2p+ 1, p) is a solution of equation 2x + 5y = 20, then find the value of p.​

Answer 1

Answer:

p=2

Step-by-step explanation:

since the point is the solution of the equation so it must satisfy the equation i.e.

2(2p+1)+5(p)=20

4p+2+5p=20

9p=18

p=2

Ans

Answer 2

SOLUTION

GIVEN

(2p+ 1, p) is a solution of equation 2x + 5y = 20

TO DETERMINE

The value of p

EVALUATION

Here it is given that (2p+ 1, p) is a solution of equation 2x + 5y = 20

So we have

2( 2p + 1 ) + 5p = 20

⇒ 4p + 2 + 5p = 20

⇒ 9p + 2 = 20

⇒ 9p = 18

⇒ p = 2

FINAL ANSWER

Hence the required value of p = 2

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