Question

which is the solution of equation 2x +3y =7?

A [1,2]
B [2,1]
C [-1,-2]
D [-1,-2]​

Answer 1

Answer:

The given equations are

⇒2x−3y=7..(1)

⇒4x−6y=20...(2)

multiply eq (1) by 2

⇒4x−6y=14..(3)

Hence,The first equation contradicts the second equation.

Answer 2

Answer:

option B .2,1 satisfy the given equation hence it is the solution of equation

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