Math, asked by shreeya14, 1 year ago

12x + 17y =53 ;17x + 12y = 63

Answers

Answered by abhay022

12x + 17y = 53 ....(1)
17x +. 12y = 63 ...(2)

add both equation
29(x+y) = 116
x + y = 4 .......(3)

subtract both equation (2-1)
5( x - y ) =10
x -y = 2 .....(4)

add equation 3 and 4
2x = 6.... x = 3
y = 1

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