Identify Given Equation: Identify the given equation and the goal.We have the equation (7a)=9, and we need to find the value of 'a'.
Isolate Variable: Isolate the variable 'a' by performing the inverse operation.To isolate 'a', we need to multiply both sides of the equation by 7.(7a)×7=9×7
Perform Multiplication: Perform the multiplication on both sides of the equation. a=63
Check Solution: Check the solution by substituting a back into the original equation.(763)=99=9The left side of the equation equals the right side, confirming that a=63 is the correct solution.
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