Question

if x-1/x+1=7/9 then find x
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Answer 1

Step-by-step explanation:

X-1/x+1=7/9

by Cross multiplying,

(x-1)9=7(x+1)

9x-9=7x +7

9x-9-7x -7=0

2x=16

x=8

Answer 2

Answer:

X=8

Step-by-step explanation:

CROSS MULTIPLY

X-1=7*(x+1)/9

(X-1)*9=7*(x+1)

9x-9= 7x+7

2x=16

X=16/2

X=8