Question

find the value of (x+y)
15x+17y=21;17x+15y=11​

Answer 1

there are many different ways you can approach this question, this one is the easiest!!

Answer 2

Step-by-step explanation:

thats it

first I multiplied the equation (1) with 17 and equation (2) with 15 so that I can subtract and cancel the x and thus y remains from where i calculated the value of y and then putting the value of y in equation (1), I found out the value of x.