Question

8. If (1, -2) is a solution of the equation 2x - y=p, then value of p is:
DO
(b) 4.
(c) - 4 (d) 3​

Answer 1

Answer:

here's the answer

Step-by-step explanation:

Putting x = 1 and y= -2 in the given equation.

$2x - y = p \\ 2(1) - ( - 2) = p \\ 2 + 2 = p \\ 4 = p \\ p = 4$

Hope it will be helpful to you ☺️

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Answer 2

Answer:

b) is the correct option

Step-by-step explanation:

2x - y = p

Put x = 1 and y = -2

p = 2(1) - (-2)

p = 2 + 2

p = 4