Question

li) x + y 120 या समीकरणाची उकल आहे. (A) (10.2) (B) (-10.2) (C) (142) (D) (-18.1) (D) (-10-2)

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Answer 1

Answer:

mark as brainlist (142) i think

Answer 2

SOLUTION

TO CHOOSE THE CORRECT OPTION

Which of the below is a solution of the equation x + y = 12

(A) (10 , 2)

(B) ( - 10 , 2)

(C) (14, 2)

(D) ( - 10 , -2)

EVALUATION

Here the given equation is

x + y = 12 - - - - (1)

CHECKING FOR OPTION : A

Here the given point is (10,2)

Putting x = 10 & y = 2 we get

10 + 2 = 12

⇒ 12 = 12

Thus (10,2) is a solution of the equation

CHECKING FOR OPTION : B

Here the given point is ( - 10,2)

Putting x = - 10 & y = 2 we get

- 10 + 2 = 12

⇒ - 8 = 12

Which is absurd

Thus ( - 10,2) is not a solution of the equation

CHECKING FOR OPTION : C

Here the given point is ( 14,2)

Putting x = 14 & y = 2 we get

14 + 2 = 12

⇒ 16 = 12

Which is absurd

Thus ( 14,2) is not a solution of the equation

CHECKING FOR OPTION : D

Here the given point is ( - 10, - 2)

Putting x = - 10 & y = - 2 we get

- 10 - 2 = 12

⇒ - 12 = 12

Which is absurd

Thus ( - 10, - 2) is not a solution of the equation

FINAL ANSWER

Hence the correct option is (A) (10 , 2)

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