63/[x-1]

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63/[x-1]63/[x-1]63/[x-1]7/9=0.63/[x-1]7[x-1]=5.67X-1=0.81X=1.819*0.63=7x-75.67+7=7x7x=12.67x=1.817×(

63/[x-1]
63/[x-1]

63/[x-1]
7/9=0.63/[x-1]
7[x-1]=5.67
X-1=0.81
X=1.81

9*0.63=7x-7
5.67+7=7x
7x=12.67
x=1.81

7×(X-1)=9×0.63
X-1=9×0.63÷7
X-1=0.81
X=1.81

7/9=0.63/[x-1]
[x-1]=0.63÷7/9
[x-1]=0.63×9/7
[x-1]=0.81
x =1.81