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Solve the equation.

{:[9a=81],[a=◻]:}

Solve the equation.\newline9a=81a= \begin{array}{l} 9 a=81 \\ a=\square \end{array}

Full solution

Q. Solve the equation.\newline9a=81a= \begin{array}{l} 9 a=81 \\ a=\square \end{array}
  1. Identify equation: Identify the equation to solve.\newlineThe equation given is 9a=819a = 81. We need to find the value of 'aa'.
  2. Isolate variable: Isolate the variable aa. To isolate aa, we need to divide both sides of the equation by 99. 9a9=819\frac{9a}{9} = \frac{81}{9}
  3. Perform division: Perform the division to solve for aa.a=819a = \frac{81}{9}a=9a = 9