1.

Bt oy 3 |B - _ 3(q) 7 3

Answer»

{(y-1)/7} - {(y-3)/3} =3

3y-6-(7y-21)=3(21)

3y-6-7y+21=63

-4y=63+6-21

-4y=48y=-12

3y-6-7y+21=21*3-4y+15=63-4y=63-15=48Y=48/-4=-12



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