Question

If 1 -2 is a solution of 2x-y-p
then Find the value of p
​

Answer 1

Answer:

P = 4

Step-by-step explanation:

Given that 1-2 is a solution of 2x-y-p

x can be 1 and y can be - 2 as the standard form is (x, y)

So it is (1,-2)

Substitute in the equation

2(1)-(-2)-p

2+2-p

4-p ( shifting 4 to right hand side it becomes - 4)

-p = - 4 ( - gets cancelled as same signs)

Therefore p = 4

Answer 2

Answer:

P=4

Step-by-step explanation:

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