Sir question number 3 please

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Answer is 11/5
9=3^2 so LHS CAN BE WRITTEN AS
(3)^2+x
Also 27=3^3
So Rhs=3^(3*(2x-3))

Comparing LHS and RHS
We see
2+x=3*(2x-3)
2+x=6x-9
5x=11
X=11/5
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