public static void main ( String args [ ] ) {
  String equation = new String ( "x+5-3+x=6+x-2" ) ;
  System . out . print ( "x = " + solveEquation ( equation ) ) ;
}

public static void main ( String args [ ] ) { String equation = new String ( " x + 5-3 + x = 6 + x - 2" ) ; System . out . print ( " x ▁ = ▁ " + solveEquation ( equation ) ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier) dimensions: (dimensions))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (string_literal))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (string_literal) right: (method_invocation name: (identifier) arguments: (argument_list (identifier)))))))))