Question

X+2y=4;3x+6y=12 ya samikarnachi ukal kadhavi

Answer 1

Answer:

Explanation:

x+2y=4.........(1)

3x+6y=12......(2)

divide by 2 in second equation

x+2y=4

equation  1 and 2 are same so

answer =0

Answer 2

Answer:

let 1st equation be x+2y =4

2nd equation be 3x+6y=12

solving equation.1for x

x=4-2y

hence,

putting value of eq.1 on eq2. we get,

3(4-2y)+6y=12

12-6y+6y=12

12-12-6y+6y=0

0=0

hence value of x Nd y is 0

hope it helps

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