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document.write( "Hi \n" );
document.write( "solve for indicated letter b a=3b \n" );
document.write( "Solving for b:isolate b on one side of the equation doing allowable operations \n" );
document.write( " a = 3b \n" );
document.write( " a/3 = b |dividing both sides of the equation by 3 to isolate b