If x-1/x+1 = 7/9 , then x = ?
Answers
Answered by
1
cross multiply
9x-9=7x+7
=> 2x=16
=> x=8
well the answer was pretty clear just by looking at the question tho
Answered by
1
Answer:
x+1=9
x−1= 7
9(x−1)=7(×+1)
9x−9=7x+7
9x−7x=7+9
2x=16
x=8
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