Question

find the value -81/a-2= -9​

Answer 1

Answer:

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Step-by-step explanation:

$\frac{ - 81}{a - 2} = \: \frac{9}{1}$

$now , cross - multiplying , we \: get :$

$= -81 = 9(a-2)$

$= -81 = 9a -18$

$= -81 + 18 = 9a$

$= a \: = \frac{ - 63}{9}$

$= a = -7$

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