Question

If x+7y=7 and 7x-3y=-3 then y=?​

Answer 1

Step-by-step explanation:

7x+3y=12

-(3x+7y=8)

——————

4x -4y = 4

——————

4(x-y) =4

X-y =1

= A

Hope its help..

Answer 2

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