Identify and Simplify Equation: Identify the equation and simplify the right-hand side. 11a=117 Multiply both sides by 11 to clear the denominator. 11a⋅11=7
Clear Denominator by Multiplication: Simplify the left-hand side using properties of exponents. 11a×1121=11a+21=7
Simplify Left-hand Side: Solve for 'a' by equating the exponents of base 11. a+21=log11(7)a=log11(7)−21
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