Question

15x+17y=21;17x+15y=11​

Answer 1

The value for the x and y is -2 and 3.

Step 1: Given data

.

Step 2: To find

We have to find the value of x and y by comparing those two equation.

By seeing those equation the coefficient of x and y is diagonal. Let them reduce by adding and subtracting those equation. By those two new equation we easily find the value of x and y.

1) Addiction of two equation.

   

             

By adding we get,

 x + y = 1------------(1)

By subtracting we get,

  x - y = -5-----------(2)

By solving equation (1) and (2) we get

 2x = -4

   x = -2

substitute x = -2 in the equation 1

x + y = 1

-2 + y = 1

    y  = 1 + 2

   y = 3

Hence the value for the x and y is -2 and 3.

Answer 2

Answer:

I hope it helps you.....

peace ✌☺️