Question

Find the value of Dx from 2x + y =6 ; x + 2y =6.

Answer 1

Step-by-step explanation:

The given equation is x+2y=6    .....(1)

Putting x=0 in equation 1, we get

⇒0+2y=6

⇒2y=6⇒y=3

(0,3) is a solution

Putting y=0 in equation 1, we get

⇒x+2×0=6

⇒x=6

(6,0) is a solution.

Putting x=2 in equation 1, we get

⇒2+2y=6

⇒2y=6−2⇒2y=4

⇒y=2

(2,2) is a solution.

Putting x=4 in equation 1, we get

⇒4+2y=6

⇒2y=2⇒y=1

(4,1) is a solution.

Hence, (0,3),(6,0),(2,2) and (4,1) are four solutions of given equation.

Answer 2

Step-by-step explanation:

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