Question

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Answer 1

Answer:

x=1 y=1

Step-by-step explanation:

let 3x+y=m

&. ......} say

3x-y=n

• there we get equation having m and n variables..
• solving get m, n values
• then substituting in the equation which has its variables as x and y
• we get the solution

Answer 2

hey mate....

refer to the aatachment...