Math, asked by saujanyakameswaran, 9 months ago

if x-1 ÷ x +1 =7÷9 then x ?
options for answers
a. 6
b. 7
c. 8
d. 10 ​

Answers

Answered by Anonymous
25
x - 1 / x + 1 = 7/9

Cross multiplying

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

9x - 9 = 7x + 7

9x - 7x = 7 + 9

2x = 16

x = 16/2

x = 8
Answered by Nehu1419
1
Hiii dear ❤️

Your answer is in the attachment

Hope it works !!!!!!!!!!!!!!!!!!!!!!!
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