if x-1 ÷ x +1 =7÷9 then x ?
options for answers
a. 6
b. 7
c. 8
d. 10
Answers
Answered by
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
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
1
Hiii dear ❤️
Your answer is in the attachment
Hope it works !!!!!!!!!!!!!!!!!!!!!!!
Your answer is in the attachment
Hope it works !!!!!!!!!!!!!!!!!!!!!!!
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