Question

Please answer 12 and 13 no. questions

Answer 1

please find the attachment

hope so it helps u alot

Answer 2

13.denominator =x
numerator=x-4
fraction=x-3/x+1
x-3/x+1=1/3
3(x-3)=x+1
3x-9=x+1
2x=10
x=5
orignal fraction
=x-4/x=1/5