Please help. 3/(x-1) = 5/7

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asked Jun 12, 2018 132k views

1 Answer

Shane Jones · Answer 1 · 2018-06-18T20:39:47+0000

times both sides by (7)(x-1) to eliminate denomenators

3(7)=5(x-1)
21=5(x-1)
divide both sides by 5
21/5=x-1
add 1 to both sides
rmember that 1=5/5
21/5+5/5=26/5=x

26/5=x
5 and 1/5=x

Please help. 3/(x-1) = 5/7

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